It was proved that the problem __ partly in the air pollution.A．liesB．liedC．layD

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It was proved that the problem __ partly in the air pollution.

A．lies

B．lied

C．lay

D．laid

答案

解析

略

举一反三

He ____ the cave before the police arrived, but he failed.

A．managed to flee away from

B．tried fleeing out of

C．managed fleeing

D．tired to flee

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__ your courage, ___ you will not fail.

A．Keep to…then

B．Keep up…and

C．Keep up with…and

D．Keep on…so

题型：不详难度：| 查看答案

He ___ to break the record for the long-distance race.

A．set out

B．set off

C．set up

D．set down

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No matter what they say, I’ll ___ my opinion.

A．stick to

B．persist in

C．insist on

D．hold up

题型：不详难度：| 查看答案

She spent 25 dollars on the watch chain.It means ___.

A．she paid 25 dollars on the watch chain	B．the watch chain cost her 25 dollars
C．it took her 25 dollars buying the watch chain	D．she bought the watch chain of 25 dollars

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