Câu hỏi: 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 1: Linda lives ________ 19 Nguyen Thai Hoc street

A. on

B. in

C. upon

D. at

Câu 2: She’s the woman ................ sister looks after the baby for us.

A. who

B. which

C. that's

D. whose

Câu 3: Everyday, Ba often ………….my bike to go to school.

A. is riding

B. rode

C. rides

D. None is correct

Câu 4: My class has ……. pen, ………eraser and two books.

A. an/ an

B. a/ a

C. a/ the

D. a/an

Câu 5: The plants which ................ in the living room need a lot of water.

A. are

B. be

C. is

D. was

Câu 6: Look! These schoolboys………. football in the school yard.

A. are playing

B. play

C. played

D. have played