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

A. who

B. which

C. that's

D. whose

Câu 1: My children often spend many hours________ the computer screen.

A. in

B. among

C. on

D. upon

Câu 2: Where do you come……? I’m from Vietnam.

A. from

B. to

C. for

D. up

Câu 3: Minh often goes to school _______ motorbike.

A. on

B. by

C. in

D. at

Câu 4: Scientists ____ on the site found many ancient tools, tombs and pottery, and made some important archaeological discoveries.

A. worked

B. working

C. to work

D. to be working

Câu 5: Everyday, Ba often ………….my bike to go to school.

A. is riding

B. rode

C. rides

D. None is correct

Câu 6: The plants which ................ in the living room need a lot of water.

A. are

B. be

C. is

D. was