Youwillfallbehind others youwork hard.A．ifB．unlessC．thoughD．since

题型：不详难度：来源：

Youwillfallbehind others youwork hard.

A．if

B．unless

C．though

D．since

答案

解析

考查连词的用法。前面是一种假设的结果，与后面的条件对立，应使用unless“除非，如果不”。

举一反三

It was the coldest winter, and many animals died __________ the cold.

A．thanks to

B．because of

C．instead of

D．even though

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Be more careful this time, ______ you’ll make the same mistake again.

A．and

B．or

C．so

D．but

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Mrs. White came back late the heavy rain yesterday afternoon.

A．because

B．because of

C．but

D．since

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You can’t go back home______you finish your homework.

A．if

B．until

C．so

D．because

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—Pandas are very beautiful, _______ kind of shy. Do you think so?
—Sure. And they are the treasure of our country.

A．and

B．so

C．but

D．or

题型：不详难度：| 查看答案