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: Glenda…………..extremely hard when she was a student.

A. worked

B. has worked

C. was working

D. had been worked

Câu 2: Would you like..................... somewhere for a rest?

A. going

B. to go

C. go

D. to be gone

Câu 3: She shouldn’t get married yet; she . . . . . . . . . . . . . . . . 

A. is not old enough

B. was not old enough

C. is not enough old

D. was not enough old

Câu 4: He _____ to give up smoking since last week.

A. was trying

B. have tried

C. has tried

D. tried

Câu 5: She was a very_____child.

A. health

B. healthy

C. healthily

D. healthiness

Câu 6: No breakfast for Mark, thanks. He…………..breakfast.

A.  has not eaten

B. did not eat

C. is not eating

D. does not eat