Câu hỏi: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 1: 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 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: He enjoys _____ in the rain.

A. walk

B. walks

C. to walk

D. walking

Câu 4: What does your brother . . . . . . . . . . . . . . ?

A. look like

B. look as

C. be like

D. as

Câu 5: He _____ to give up smoking since last week.

A. was trying

B. have tried

C. has tried

D. tried

Câu 6: Would you like..................... somewhere for a rest?

A. going

B. to go

C. go

D. to be gone