Câu hỏi: 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 1: Are you looking forward.................... on your cassation?

A. you go

B. going

C. to going

D. to go

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: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 4: Ann is interested in.................... young children.

A. teach

B. teaches

C. to teach

D. teaching

Câu 5: Do you mind _____ up?

A. wash

B. washing

C. washed

D. to wash

Câu 6: 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