Tom: "Would you like a cup of tea?"                             - Linda: "                                                                           . "

A. Yes, help youselfB. Yes, do it yourself

Peter: “Could you fill it up, please?” Ivan: “                      ”

A. Sure. Shall I check the oil as well?B. Not at all. I’ll fill the oil for you.

. Mr. Collin is speaking to his student, Brian.

Mr. Collin: “You’ve been making very good progress. I’m proud of you!” Brian: “        ”

A. No problemB. Don’t worry about it!

- Roger: “Wow! You look terrific in that new dress!” - Tina: “                                                                                                                                      ”

A. Oh, what a pity!B. I’m afraid so!

– “I passed the TOEFL test, Mom.” – “                                    .”

. John is in Hanoi and wants to change some money. He asks a local passer-by the way to the bank. Choose the most suitable response to fill in the blank in the following exchange.

-  John: “Can you show me the way to the nearest bank, please?” - Passer-by: “  .”

A. Not way, sorry.                                                     B. Just round the corner over there.

Denis has just bought a new suit that he likes very much. Choose the most suitable response to fill in the blank in the following exchange.

-  Tom: “You look very smart in that suit, Denis!” – Denis: “              .”

A. No, I don’t think so                                              B. Oh, you don’t like it, do you?

Hana and Jenifer are talking about a book they have just read.

-  Hana: “The book is really interesting and educational.”

-Jenifer: “                  .”

A. That’s nice of you to say so.B. I’d love it.

Kenny asked for permission to smoke, but his colleague couldn’t put up with the smoke.

-  Kenny: “Do you mind if I smoke in here?”

- Alex: “                  .”

. Mary and her friend, Ensoleill, are in a coffee shop. Mary: “Would you like Matcha ice-cream or Caramen with jam?” Ensoleill: ”                            ”.

A. I like eating them all.B. Yes, I’d love two.

Ensoleill and Sunny are talking about Ted’s accident last week.

Ensoleill: “A motor bike knocked Ted down”.

Sunny: “                         ”

A. What it is now?     B. What a motor bike!C. How terrific!D. Poor Ted!

Fiana and Fallon are talking about the weather. Fiana: “Isn’t it going to rain tonight?” – Fallon: “                                                         .”

Adela and Phuong are talking about her new friend. Adela: “            ?” – Phuong: He’s tall and thin with blue eyes.”

A. What does he look likeB. What is he like

C. How does he look likeD. How is he like

Lucy is asking for permission to play the guitar at Pete’s home.

Lucy: “Is it all right if I play the guitar in here while you’re studying?”

Pete: “                                  ”

A. Oh, I wish you wouldn’t.B. Well, I’d rather not.

C. Well, actually, I’d prefer it if you didn’t.D. Well, if only you didn’t.

Jane is talking to Billy about the meeting.

Jane: “Is everybody happy with the decision?”

Billy: “                                    ”

I’m just here to read for fun. I can’t believe I’ve gone this long without reading The Catcher in the Rye.

A.  Oh, so long. And don’t take it seriously.

B.  I love that book. Some people think it’s overrated, but completely disagree.

C.  It really was! I knew you looked familiar.

Will you have time for some sightseeing?

A.  No, I’m afraid not. I’ve got to run to the airport right after the meeting.

B.  Yes, I go to the gym and I do a bit of jogging, but only to keep fit. How about you?

C.  Yes, it’s fantastic. Great location & a comfortable bed – that’s all you need, isn’t it?

D.  No, I’ve been here before on business. It’s a great city.

Peter and Mary are friends. They have just finished lunch in a restaurant.

Mary: The food is great. I'll get the bill.

Peter:                   .
A. Yes, speak to you soon.                                         B. No, this is on me.

C. It's nothing.                                                            D. Don't mention it.

Sue is phoning Mr. Black but his secretary tells her that he is on vacation. Ann: May I leave a message for Mr. Black, please?

Secretary:                       .
A. I'm afraid he is not here.B. He is taking a message now.

Jack and Joe are discussing how to make salad for dinner. Jack: “   ”

Joe: How about putting some grapes in it, instead?

A. We could fry some onions with it too.B. I’d rather just have some bread, thanks.

Arm and Mary are studying in their classroom. Ann: “Can I borrow you dictionary?”

Mary: “             ”

- Janet: “Do you feel like going to the cinema this evening?” - Susan: “.................................................................................................................................... ”

A. I don't agree. I’m afraid.B. I feel very bored.

- Janet: “How did you get here?” - Susan: “................................ ”

A. I came here last night.B. The train was so crowded.

Havy: “Thanks for your help, Judy.” Judy: “…........

-“ Would you mind lending me you bike?” – “ ……”

Jimmy: "You must have found reading my essay very tiring". - Kate: “                                                                                                                                     .”

A. Not in the leastB. At all costs

Jack: "Would you like to join our volunteer group this summer?" - Jill: “                                                                                                                                     .”

A. I wouldn't. Thank you.B. Yes, I'd love to. Thanks.

Irene: "Do you fancy going to a movie this evening?" - Frank: "                                                                                                                                     ."

A. I'm sorry. I don't know that.                                 B. Not at all. Go ahead.

 C. Not so bad. And you?D. That would be nice.

Maria: "It was very kind of you to help me out, John." – John: “                                                                                                                                     .”

A. You can say that again.B. I’m glad you like it.

Jack: “I’m going to take a five-day trip to Rome.”

Bill: “ Let’s stop for a drink.”

-  Bruce: “          ”

A. Long time no see.B. Nice to meet you.

C. Sorry, we’ve got little time.D. You’ve welcome.

"Oops! I’m sorry for stepping on your foot" – “                                 .”

A. Never mindB. You don't mindC. You're welcomeD. That's fine

How do you like your steak done?” _ “                                    .”

A. I don’t like itB. Very littleC. Well doneD. Very much

Peter: “Do you think that we should use public transportation to protect our environment?” – Jerry: “     .”

A. Yes, it’s an absurd idea.                                       B. There’s no doubt about it.

Ken and Tom are high-school students. They are discussing where their study group will meet

Ken: “Where is our study group going to meet next weekend?” – Tom: “                                                                                                                                     .”

A. Studying in a group is great fun.                          B. We are too busy on weekdays.

Paul and Daisy are discussing life in the future.

Paul: “I believe space travel will become more affordable for many people in the future.” Daisy: “          ”

A. It doesn’t matter at all.                                          B. There’s no doubt about that.

John and Mary are talking about what to do after class. John: “          ”

Mary: “Yes, I’d love to.”

A. Do you often have time for a drink after class?B. Would you like to have a drink after class?

C. Do you often go out for a drink after class?D. Would you like tea or coffee after class?

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

Cho 53,4g glixerol tristearat tác dụng với 100g dung dịch KOH 20% phản ứng xảy ra hoàn toàn. Khối lượng xà phòng thu được là ?