Câu hỏi: 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 1: Ann is interested in.................... young children.

A. teach

B. teaches

C. to teach

D. teaching

Câu 2: 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 3: Are you looking forward.................... on your cassation?

A. you go

B. going

C. to going

D. to go

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

A. walk

B. walks

C. to walk

D. walking

Câu 6: Just keep on................ what you like.

A. do

B. did

C. doing

D. done