Câu hỏi: I'd like to borrow this book. .................................. it yet?

A. Did you read

B. Had you read

C. Have you read

D. Do you read

Câu 1: Ann is interested in.................... young children.

A. teach

B. teaches

C. to teach

D. teaching

Câu 2: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 3: He _____ to give up smoking since last week.

A. was trying

B. have tried

C. has tried

D. tried

Câu 4: Glenda…………..extremely hard when she was a student.

A. worked

B. has worked

C. was working

D. had been worked

Câu 5: She was a very_____child.

A. health

B. healthy

C. healthily

D. healthiness

Câu 6: The news came as no surprise to me. I…………..for some time that the factory was likely to close.

A. knew

B. had known

C. have existed

D. exist