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

A. are playing

B. play

C. played

D. have played

Câu 1: Mukai Chiaki, the first female Japanese astronaut, ……….. 15 days aboard the space shuttle Columbia in space before it …….. to the Earth on July 23,1994.

A. spent - had returned

B. had spent - returned

C. was spending - was returning

D. spent - was returning

Câu 2: My family often watch______________ every night.

A. a television

B. the television

C. an television

D. television

Câu 3: I assume that you are acquainted ________ this subject since you are responsible ________ writing the accompanying materials.

A. to/for

B. with/for

C. to/to

D. with/with

Câu 4: Where is Mary? She………… books in the library at the moment.

A. is reading

B. reads

C. read

D. are reading

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

A. are

B. be

C. is

D. was

Câu 6: 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