A. carpet      B. school     C. facial       D. contact

Cho hình thang ABCD vuông tại A và B với $AB=BC=\frac{1}{2}AD=a$. Quay hình thang và miền trong của nó quanh đường thẳng chứa cạnh BC. Tính thể tích V của khối tròn xoay được tạo thành.

A. expand    B. vacancy   C. applicant  D. category

A. chemical  B. approach C. achieve    D. challenge

A. element   B. dedicate   C. event       D. devote

A. century    B. culture     C. secure      D. applicant

Cho hình thang ABCD vuông góc tại A và B, có AD = 2a, AB = BC = a. Trên tia Ax vuông góc với mặt phẳng (ABCD) lấy một điểm S. Gọi C’, D’ lần lượt là hình chiếu vuông góc của A trên SC và SD. Chứng minh rằng $\widehat{SBC}=\widehat{SCD}=90°$.

A. takes       B. develops  C. burns       D. laughs

A. sour        B. hour        C. pour        D. flour

A. laughed   B. sacrificed C. cooked    D. explained

A. busy        B. answer     C. person     D. basic

Câu nào trong các câu sau không phải là mệnh đề?

Khẳng định nào sau đây sai?

Mike: “I apologize to you for not keeping my promise”

                    Mary: “______________”

“Can I get you something to drink?”

Mike: “A motorbike knocked Tim down” - Mary: “______________”

Hung: “ Thank you very much for a lovely party.”

Hoa : “__________”

- “Well, cats are very good at catching mice around the house.”

                  - “_______.”

Mr John: “What do you do for a living?” Mr Mike: “___________”.

- “You look beautiful with your new hairstyle!”

                  - “___________”.

Two friends Diana and Anne are talking about their upcoming exams.

        Diana: “Our midterm exams will start next Tuesday, are you ready?”

        Anne: “____________”

Mary is talking to her professor in his office.

- Mary: “Can you tell me how to find material for my science report, professor?”

- Professor: “___________”

- Tom: “Would you mind holding the door open for me, please?”

                  - Mary: “_________.”

John: “I didn’t pass my driving test.” - Anna: “__________!”

- Mark: “What a lovely house you have!”

                  - Phil: “ _______________

Alice: “How about having a drive to the countryside this weekend?”

Mary: “___________”

John: “Do you think that we should use public transportation to protect our environment?”

Linda: “___________”

“I can speak English well enough to apply for that post.”

                    -“______________”.

“Has an annoucement been made about the nine o’clock flight to Paris”

                    -“______________”.

Sarah: “Your hairstyle is terrific, Mary!” - Mary: - “_____________”

Kate: “Thank you for the lovely present”. - Peter: “____________”

-“-“We’ll have to hurry if we want to finish this project on time.” – “________”

Mrs. Smith: “__________”. - Mr. Brown: “Thank you. We are proud of him.”

“She left early for the first train, didn’t she?” - “_________”

A. Yes, she did.                                                                

Ken and Laura are saying goodbye to each other after going to LOTTE Center. And they are going to have a date with each other later.

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

- Ken: “..................... “

Sarah has just bought a new skirt that she likes very much.

- Jane: “You look great in that red skirt, Sarah!”

- Sarah: “_______”