Câu hỏi: Don’t bother me while I ……..

A. am working

B. was working

C. will work

D. is going to work

Câu 1:  …………… students enrolled this year than last year at New York University.

A. Less than

B. Less of the

C. A few of

D. A few more

Câu 2:  I like to have -------- trees in front of the window so that people can’t look in.

A. any

B. little

C. a few

D. so few

Câu 3: --------- John busy every day?

A. Does

B. Will

C. Is

D. Has

Câu 4: Her boss told -------- to clean his room.

A. she

B. to her

C. her

D. for her

Câu 5: Mary …….. her treatment almost two years ago.

A. have

B. has had

C. had

D. was having

Câu 6: You can stay here ------ you like.

A. as long as

B. as far as

C. as much as

D. so far as