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

A. teach

B. teaches

C. to teach

D. teaching

Câu 1: 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 2: You shouldn't spend all your time.....................

A. study

B. to study

C. studying

D. studied

Câu 3: The news came as no surprise to me. I…………..for some time that the factory was likely to close.

A. knew

B. had known

C. have existed

D. exist

Câu 4: What does your brother . . . . . . . . . . . . . . ?

A. look like

B. look as

C. be like

D. as

Câu 5: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found

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

A. rise

B. rose

C. rises

D. rising