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

A. was trying

B. have tried

C. has tried

D. tried

Câu 1: The World War II ………….. in 1939 and ………….. in 1945.

A. begins/ends

B. had begun/ended

C. has begun/had ended

D. began/ended

Câu 2: 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

Câu 3: The sun . . . . . . . . . . . . . . . in the east.

A. rise

B. rose

C. rises

D. rising

Câu 4: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 5: Just keep on................ what you like.

A. do

B. did

C. doing

D. done

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

A. going

B. to go

C. go

D. to be gone