Huong: “That millions of people attended General Vo Nguyen Giap’s funeral made a special impression on almost every foreigner.”  - Lan: “                                                                                                   ”

 David and Helen were at their friend’s party. David gave Helen a good comment on what she was wearing.

-  David: “         ”   - Helen: “Thanks for your compliment.”

A. You've got a beautiful dress!B. You are too busy on weekdays.

 Tom had difficulty in finishing his project so he asked Linda for assisting him.

- Tom: “How about giving me a hand?”      - Linda: “................ ”

A. No, not yetB. I promiseC. You’re welcome D. Sure. I'd be glad to help

Two students Peter and Anny are talking about women’s role.

-  Peter: “ In my opinion, women would not go to work.”   - Anny: “. ”

Cindy: “Your hairstyle is terrific, Mary!”

- Mary: “…......... ”

A. Yes, all right.B. Thanks, Cindy. I had it done yesterday.

C. Never mention itD. Thanks, but I’m afraid

Nam : “ I don’t think English is too hard to study ” - Huy : “                                                                                                                                    “ .

- Kate: “How lovely your cats are!” - David: “                      .”

A. Really? They areB. Thank you, it is nice of you to say so

C. Can you say it againD. I love them, too

Mary is talking to her professor in his office.

-  Professor: “Congratulations on your award.”

-  Mary: “           ”

A. I can’t agree more with yoursB. I like it that you understand

C. I do appreciate your supervisionD. I feel so sorry for you, professor.

Two friends Diana and Anne are talking about their friend Bob’s new hairstyle.

-  Diana: “Bob looks so impressive with his new hairstyle, Anne.”

-  Anne: “         ”

A. Thank you so muchB. You can’t believe it!

Jane: “Thank you very much for the lovely flowers.”

~ Susan: “                             "

A. You like flowers, don’t you?B. It was an excellent choice.

 Laura: “What shall we do this evening?” ~ Annie: “                                                                                                                                     "

A. Oh, that’s bad!B. I went out for dinner.

C. No problem.D. Let’s go out for dinner

 “Well, it’s getting late. Maybe, we could get together sometime.” “   ”

A. Nice to see back you.B. Sounds good. I’ll give you a call.

C. Take it easy.D. Yes, I’ve enjoyed it.

Paul: Make yourself at home. - Mary:                                   

A. Thanks! Same to you.B. Yes. Can I help you?

- Mary: “Your new hairstyle is quite attractive!”

- Sheila: “......................... I think it makes me look 10 years older.”

A. Yes, I’m proud of myselfB. Say it again. I like to hear your words

C. That’s a good ideaD. You’ve got be kidding

 - Louisa: “Oh, no! I left my book at home. Can I share yours?”

- Will: “........................ ”

A. Yes, I do tooB. No, thanksC. No, not at allD. Yes, sure!

 After finishing the duty at the company at 6 p.m. Anna: “Shall we eat out tonight? ”

Jane: “                   ”

A. It is very kind of you to invite me.B. You are very welcome.

C. That’s a great idea.D. That’s understandable

Jack is going to London to study next week.

-  Betty: “                     ”

-  Jack: “Thanks. I will write to you when I come to London.”

A. Better luck next time!B. Have a go!C. God bless you!D. Have a nice trip!

Mary: "Would you mind lending me your pencil ?" - John: "...................................................................................................................................... "

A. Not at allB. Yes, here it isC. Yes, let'sD. Great

Peter: “                                       .” - Jane: “Oh, thanks. I’m glad you like it.”

A. I don’t know how to get to your house.B. What does your house cost?

C. Who designed this beautiful house?D. I like your house. It has nice view.

James :  "Where will you  go on vacation?" Thomson “                                                                                                          ”

A. The beach is nice, isn't it?B. Probably I won't think of.

C. Probably to the beach.D. I have a four-day vacation.

 “What a great haircut, Lucy!” “             - ““             ”

A. Thank you. That's a nice compliment.B. It's my pleasure.

C. Thanks. It's very kind of you to do thisD. Oh, yes. That's right.

Laura and David are talking about the benefits of swimming.

-  Laura: “I think swimming helps us exercise all our muscles.”

-  David:“             ”

A. You can do it. Thanks anywayB. There is no doubt about it

C. Not at all.You can make itD. Yes, swimming does, too

Helen and Mary are talking about Mary’s result at school.

-  Helen: “Your parents must be proud of your result at school!”

-  Mary: “             ”

A. Thanks. It’s certainly encouragingB. I’m glad you like it

C. Sorry to hear thatD. Of course

John: “Can you tell me the way to the nearest post office?” - Nam: “                                                                                                                       ”

A. It opens at nine o'clock.B. Turn left and then right.

C. You can walk or go there by taxiD. It's about two kilometers

- “What an attractive hair style you have got, Mary!”  _ “             ”

A. Thank you very much. I am afraidB. I don't like your sayings

C. You are telling a lieD. Thank you for your compliment

– Liz: Thanks for the nice gift you brought to us! - Jennifer:

A. Alright. Do you know how much it costs?B. Not at all. Don’t mention it.

C. Actually speaking, I myself don’t like it.D. Welcome! It’s very nice of you.

 – John: How about giving me a hand? - Tom:

Lan: “Would you say the Great Wall is among the seven man-made wonders of the world?” Trang: “   ”

A. That’s the least I could do.B. Do you think so, too?

C. There’s no doubt about that.                  D. It was created by ancient Chinese people, wasn’t it?

Tung: “Your shoes are terrific, Tuan. The colour quite suits you.” Tuan: “     ”

A. Really?B. Do you like them?

C. You must be kidding. My shirt is nice, isn’t it?D. I’m glad you like them.

Hoa is asking Hai, who is sitting at a corner of the room, seeming too shy.

-  Hoa: “Why aren’t you taking part in our activites?              ”

-  Hai: “ Yes, I can. Certainly”

-  Poter: “Shall I help you with your suitcase?”

-  Mary: “             ”

A. That’s very kind of you.B. What a pity!C. I can’t agree more.D. Not a chance.

Jenifer and John was talking about their study at school.

Jenifer: “I thought your English skill was a lot better, John.” - John: “             .”

A. You've got to be kidding. I thought it was still bad.B. Yes, please. Just a little.

C. No, thanks. I think I can do it.D. Thank you. I’d love to.

 Kate and Jackie are talking about the plan of the English club meeting next week. Kate: “Do you think Mary's coming to the English club?” - Jackie: “                                                                .”

A. I hope not.B. I believe not.C. I believe not so                               D. I don’t believe.

Customer: "Can I try this jumper on?"

- Salesgirl: "       "

A. No, the shop is closed in half an hour      B. Sorry, only cash is accepted here

C. Yes, it costs one hundred and fifty dollars D. Sure, the changing rooms are over there

The shop assistants: "This is my last portable CD player. I'll let you have it for fifty dollars."

-  Stevenson: "                           ?"

A. Could you give me your last CD                B. Could you give me a disccount

C. Could you possibly give me fifty dollars   D. Can you tell me your favourite type of music

Clara and Phil are discussing women and men in society. Clara: "As I see it, women often drive more carefully than men." Phil: "                             ”

A. Yes, pleaseB. AbsolutelyC. What nonsenseD. Never mind

Mary and Peter are talking about Mary's plan. Mary: “   ”

Peter: "Congratulations!"

A. We're going to get married next monthB. I believe I'll pass the exam

David is talking to his friend, Monica.

-  David: “                          .”

-  Monica: “Good luck to you”.

A. I don’t like rock musicB. Have a nice day

cho tam giác ABC vuông cân tại A , đường cao AH .GỌi M là trung điểm AB , E đối xứng với H qua M
1)Tứ giác AHBE là hình gì

2)chứng minh AEHC là hình bình hành

1.Giải phương trình:

$\sqrt{x-1+2\sqrt{x-1}}+\sqrt{x-1-2\sqrt{x-1}}=2$

1. Rút gọn biểu thức : $\frac{1}{\sqrt{1}+\sqrt{3}}+\frac{1}{\sqrt{3}+\sqrt{5}}+\frac{1}{\sqrt{5}+\sqrt{7}}+...+\frac{1}{\sqrt{119}+\sqrt{121}}$