Câu hỏi: 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 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: No breakfast for Mark, thanks. He…………..breakfast.

A.  has not eaten

B. did not eat

C. is not eating

D. does not eat

Câu 3: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 4: The sun . . . . . . . . . . . . . . . in the east.

A. rise

B. rose

C. rises

D. rising

Câu 5: 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 6: Do you mind _____ up?

A. wash

B. washing

C. washed

D. to wash