Câu hỏi: Some of the participating schools have also decided to use green cleaning products, which are safer since they do not ……. harmful chemicals into the environment.

A. release

B. expose

C. compound

D. deplete

Câu 1: Each nation has many people who voluntarily take care of others.

A. bring along

B. get on with

C. keep up with

D. look after

Câu 2: Billy, come and give me a hand with cooking.

A. help

B. prepared

C. be busy

D. attempt

Câu 3: Reading ___________ an integral role in enhancing knowledge and relaxing.

A. has

B. holds

C. takes

D. plays

Câu 4: Do you know how many countries __________ part in the sporting event?

A. take

B. make

C. have

D. do

Câu 5: I missed the lessons yesterday so I have to___________ on work.

A. put up

B. catch up

C. work up

D. go with

Câu 6: _____________ is a film or TV program presenting the facts about a person or event.

A. Biography

B. Horror films

C. Detective books

D. Documentary