Câu hỏi: Where is Mary? She………… books in the library at the moment.

A. is reading

B. reads

C. read

D. are reading

Câu 1: Look! These schoolboys………. football in the school yard.

A. are playing

B. play

C. played

D. have played

Câu 2: Is she a friend of ……….?

A. you

B. your

C. yours

D. you’re

Câu 3: My children often spend many hours________ the computer screen.

A. in

B. among

C. on

D. upon

Câu 4: She’s the woman ................ sister looks after the baby for us.

A. who

B. which

C. that's

D. whose

Câu 5: Could you please provide us ……………..some more modern equipment?

A. for

B. by

C. in

D. x

Câu 6: Minh often goes to school _______ motorbike.

A. on

B. by

C. in

D. at