Câu hỏi: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

Câu 1: What does your brother . . . . . . . . . . . . . . ?

A. look like

B. look as

C. be like

D. as

Câu 2: Ann is interested in.................... young children.

A. teach

B. teaches

C. to teach

D. teaching

Câu 3: Fish were among the earliest form of life. Fish ………….. on earth for ages and ages.

A. existed

B. are existing

C. have existed

D. exist

Câu 4: 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 5: You shouldn't spend all your time.....................

A. study

B. to study

C. studying

D. studied

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

A. going

B. to go

C. go

D. to be gone