Câu hỏi: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 1: The sun . . . . . . . . . . . . . . . in the east.

A. rise

B. rose

C. rises

D. rising

Câu 2: Dad allowed Dora......................... to the party.

A. going

B. to go

C. go

D. gone

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: He _____ to give up smoking since last week.

A. was trying

B. have tried

C. has tried

D. tried

Câu 5: 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 6: No breakfast for Mark, thanks. He…………..breakfast.

A.  has not eaten

B. did not eat

C. is not eating

D. does not eat