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标题: 求助语法95-08-24 [打印本页]

作者: founder    时间: 2005-4-23 07:44     标题: 求助语法95-08-24

95-08-24

A conductor [used ] signals and gestures to let the [musicians ] [to know ] when [to play] various parts of a composition.

答案是C ,为什么呢?let sb. (to) do ,"to"不是可要可不要吗?还有"when to play"没有语法错误吗?

挺困惑的!


作者: fhhrewr    时间: 2005-4-23 07:47

只有let sb do sth 是正确的,不可以加to。

when to play 是正确的。再举一个例子:In such a complicated situation, nobody knows what to do next.


作者: founder    时间: 2005-4-28 07:28

thanks a  lot !!




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