Câu hỏi: 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 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: We…………..in this town for a long time. We…………..here sixteen years ago.

A. had been/come

B. have been/came

C. were/came

D. are/came

Câu 3: No breakfast for Mark, thanks. He…………..breakfast.

A.  has not eaten

B. did not eat

C. is not eating

D. does not eat

Câu 4: Dad allowed Dora......................... to the party.

A. going

B. to go

C. go

D. gone

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: Doctors _____ a cure to AIDS yet.

A. have found

B. found

C. haven't found

D. hasn't found