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: You shouldn't spend all your time.....................

A. study

B. to study

C. studying

D. studied

Câu 2: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 3: We…………..in this town for a long time. We…………..here sixteen years ago.

A. had been/come

B. have been/came

C. were/came

D. are/came

Câu 4: Just keep on................ what you like.

A. do

B. did

C. doing

D. done

Câu 5: 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 6: Are you looking forward.................... on your cassation?

A. you go

B. going

C. to going

D. to go