Câu hỏi: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 1: He enjoys _____ in the rain.

A. walk

B. walks

C. to walk

D. walking

Câu 2: I…………..at the checkout when I………….. a strange-looking man.

A. waited/noticed

B. was waiting/noticed

C. waited/was noticing

D. was waiting/had noticed

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

A. look like

B. look as

C. be like

D. as

Câu 4: Just keep on................ what you like.

A. do

B. did

C. doing

D. done

Câu 5: Are you looking forward.................... on your cassation?

A. you go

B. going

C. to going

D. to go

Câu 6: According to the research reports, people usually ………….. in their sleep 25 to 30 times each night.

A. turn

B. are turning

C. have turned

D. turned