Câu hỏi: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 1: I'd like to borrow this book. .................................. it yet?

A. Did you read

B. Had you read

C. Have you read

D. Do you read

Câu 2: He _____ to give up smoking since last week.

A. was trying

B. have tried

C. has tried

D. tried

Câu 3: Would you like..................... somewhere for a rest?

A. going

B. to go

C. go

D. to be gone

Câu 4: Dad allowed Dora......................... to the party.

A. going

B. to go

C. go

D. gone

Câu 5: He enjoys _____ in the rain.

A. walk

B. walks

C. to walk

D. walking

Câu 6: The sun . . . . . . . . . . . . . . . in the east.

A. rise

B. rose

C. rises

D. rising