Câu hỏi: You shouldn't spend all your time.....................

A. study

B. to study

C. studying

D. studied

Câu 1: She was a very_____child.

A. health

B. healthy

C. healthily

D. healthiness

Câu 2: Just keep on................ what you like.

A. do

B. did

C. doing

D. done

Câu 3: Would you like..................... somewhere for a rest?

A. going

B. to go

C. go

D. to be gone

Câu 4: 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 5: He enjoys _____ in the rain.

A. walk

B. walks

C. to walk

D. walking

Câu 6: Ann is interested in.................... young children.

A. teach

B. teaches

C. to teach

D. teaching