His hard work paid______ when he got the result.A．backB．overC．offD．for

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His hard work paid______ when he got the result.

A．back

B．over

C．off

D．for

答案

Ｃ

解析

考察固定词组。Pay off指努力得到回报。结合句意可知C正确。句意：他当得知结果的时候，他的努力工作得到了回报。

举一反三

When Helen saw his tutor nod ________ to her, she calmed down and went on with her performance.

A．encouragingly

B．amazingly

C．interestingly

D．astonishingly

题型：不详难度：| 查看答案

My parents lent me the money. ________, I couldn’t have afforded the trip.

A．Therefore

B．Meanwhile

C．Otherwise

D．Nevertheless

题型：不详难度：| 查看答案

It is still a problem ______ to hide the stolen money.

A．why

B．which

C．where

D．who

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---Fish need water to survive; _____ , we human beings rely on air to live.

A．particularly

B．obviously

C．actually

D．similarly

题型：不详难度：| 查看答案

When we think of communication , we _________ think of using words---- talking face to face, writing messages, and so on .

A．shortly

B．probably

C．practicallly

D．normally

题型：不详难度：| 查看答案