Câu hỏi: Dad allowed Dora......................... to the party.

A. going

B. to go

C. go

D. gone

Câu 1: Fish were among the earliest form of life. Fish ………….. on earth for ages and ages.

A. existed

B. are existing

C. have existed

D. exist

Câu 2: 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

Câu 3: 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 4: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 5: She shouldn’t get married yet; she . . . . . . . . . . . . . . . . 

A. is not old enough

B. was not old enough

C. is not enough old

D. was not enough old

Câu 6: Do you mind _____ up?

A. wash

B. washing

C. washed

D. to wash