When it______air pollution, Beijing faces the three “C” s-----cars，coal and cons

题型：不详难度：来源：

When it______air pollution, Beijing faces the three “C” s-----cars，coal and construction，which lead to Beijing"s thick air pollution.

A．refers to

B．comes to

C．happens to

D．speaks to

答案

解析

略

举一反三

Many gifted students _____ poorly in school because they found school unchallenging and as a result lost interest.

A．worked on

B．got on

C．lived on

D．carried on

题型：不详难度：| 查看答案

My new sports car 130 miles an hour when it’s going all out.

A．takes

B．comes

C．does

D．gets

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You see, the arrow on the wall the way to the parking lot.

A．announces

B．indicates

C．declares

D．says

题型：不详难度：| 查看答案

We bought the big house with the saving we had. for several years.

A．put aside

B．put off

C．put down

D．put in

题型：不详难度：| 查看答案

After ten years of hard work, the Browns _______ all their debts.

A．satisfied

B．met

C．paid

D．took

题型：不详难度：| 查看答案