Câu hỏi: When you see your teacher approaching you, a slight wave to attract his attention is appropriate.

A. coming nearer to

B. pointing at

C. looking up to

D. catching sight of

Câu 1: 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 2: _____________ is a detailed description of a person's life.

A. Detective book

B. Comic

C. Biography

D. Cartoon

Câu 3: ______- is natural environment in which plant or animals live.

A. Ecology

B. Habitat

C. Extinction

D. Biodiversity

Câu 4: ……….. is the state of not knowing how to read or write.

A. literacy

B. illiteracy

C. campaign

D. struggle

Câu 5: We must start a …………. for illiteracy eradication immediately

A. contest

B. company

C. champion

D. campaign

Câu 6: 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