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

A. put up

B. catch up

C. work up

D. go with

Câu 1: 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 2: A ___________ buffalo is the 22nd South East Asian Games Mascot because Vietnam is an agricultural country.

A. bronze

B. golden

C. silver

D. yellowish

Câu 3: Deserts often include _________ and rocky surface.

A. oil

B. water

C. sand

D. trees

Câu 4: The construction work was carried out by the local contractor.

A. continued

B. completed

C. done

D. run

Câu 5: _____________ is a detailed description of a person's life.

A. Detective book

B. Comic

C. Biography

D. Cartoon

Câu 6: 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