They decided to chase the cow away _____ it did more damage.A．unlessB．untilC．bef

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They decided to chase the cow away _____ it did more damage.

A．unless

B．until

C．before

D．although

答案

解析

略

举一反三

_____ he works hard, I don’t mind when he finishes the experiment.

A．As soon as

B．As well as

C．So far as

D．So long as

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_____ you are familiar with the author’s ideas, try reading all the sections as quickly as you possibly can.

A．Now that

B．Ever since

C．So that

D．As long as

题型：不详难度：| 查看答案

_____ or not we had a baby, we couldn’t survive only on my salary.

A．As

B．Even

C．However

D．Whether

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Criticism and self-criticism is necessary _____ it helps us to correct our mistakes.

A．by that

B．at that

C．on that

D．in that

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I don’t doubt _____ he is a brilliant scientist, but can he teach?

A．whether

B．if

C．that

D．what

题型：不详难度：| 查看答案