Câu hỏi: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 1: Just keep on................ what you like.

A. do

B. did

C. doing

D. done

Câu 2: Would you like..................... somewhere for a rest?

A. going

B. to go

C. go

D. to be gone

Câu 3: What does your brother . . . . . . . . . . . . . . ?

A. look like

B. look as

C. be like

D. as

Câu 4: You shouldn't spend all your time.....................

A. study

B. to study

C. studying

D. studied

Câu 5: The sun . . . . . . . . . . . . . . . in the east.

A. rise

B. rose

C. rises

D. rising

Câu 6: He _____ to give up smoking since last week.

A. was trying

B. have tried

C. has tried

D. tried