Câu hỏi: No, you can’t go to holiday by yourself! You aren’t . . . . . . . . . . . . !

A. very old

B. too old

C. old enough

D. enough old

Câu 1: 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 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: 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 5: Dad allowed Dora......................... to the party.

A. going

B. to go

C. go

D. gone

Câu 6: You shouldn't spend all your time.....................

A. study

B. to study

C. studying

D. studied