Câu hỏi: We all regard pollution as a.......... matter to human beings.

A. solemn 

B. great

C. serious 

D. huge

Câu 1: Some______ animals become tame if they get used to people.

A. wild

B. domestic

C. endangered

D. rare

Câu 2: Because of people’s______ with the environment, many kinds of plants and animals are becoming rare.

A. supply

B. survival

C. influence

D. interference

Câu 3: Gavin_______ the idea of dividing the rooms in half.

A. get on with

B. pave the way

C. keep an eye on

D. come up with

Câu 4: I’m trying to_______ the amount of sugar I eat.

A. cut down on

B. bear out

C. bring in

D. team up with

Câu 5: I_______ George on my way home.

A. dropped in on

B. gear up for

C. pair up with

D. look back on

Câu 6: Teachers complain that more of their time is taken up with _______than with teaching.

A. protection

B. administration

C. architecture

D. article