Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

Eight years ago, we started writing to each other.

A. We have rarely written to each other for eight years.

B. Eight years is a long time for us to write to each other.

C. We have been writing to each other for eight years.

D. We wrote to each other eight year ago.

9. Paul said he had to go home then.

10. The policeman said There was an accident.

11. The children said they were waiting for the school bus.

12. Mr Brown asked me if i had to go then.

13. Tom asked me If I was going to visit his aunt the next day.

15. Marry said Helen she was tired of eating fish.

17. Samny said Jean she didn't steal his fur coat the next day.

18. Miss lan said us We had to do their homework every day.

19.Ba asked his teacher if he would read the story.

20.Vicky said she didn't know where alice was.

21. Harry said there wasn't mich rain in the south of the coutry.

23. He asked me How much I thought it would cost.

24. He asked me if i could speak more slowly.

Có mấy câu mik ko bít làm:) thông cảm nha!! ^o^

Mik cũng chúc bạn thi tốt nha :) ^o^

Third time lucky! After two……………attempts, Mark’s finally passed his driving test.

A. success

B. successful

C. successfully 

D. unsuccessful

Phát biểu nào sau đây là đúng?

A. Các amino axit thiên nhiên hầu hết là các β -amino axit

B. Axit glutamic là thành phần chính của bột ngọt

C. Ở nhiệt độ thường, các amino axit đều là những chất lỏng

D. Amino axit thuộc loại hợp chất hữu cơ tạp chức

Cho 0,02 mol amino axit X tác dụng vừa đủ với 200 ml dung dịch HCl 0,1M thu được 3,67 gam muối khan. Mặt khác 0,02 mol X tác dụng vừa đủ với 40 gam dung dịch NaOH 4%. Công thức của X là:

A. (H₂N)₂C₃H₅COOH 

B. H₂NC₂H₃(COOH)₂ 

C. H₂NC₃H₅(COOH)₂

D. H₂NC₃H₆COOH