题目

There are five pairs, but I'm at a loss which _____ to buy. 　　A. to be chosen   B. to choose from  C. to choose   D. for choosing 答案：B 解析: 此题容易误选C，其实应选B。choose表示“选择”，其实是指“选择出来”(pick out)，而不是指“从……选择”，要表示后者的意思，要用choose from，有时也用choose among。同样地，下面两例中的介词from也不可省略： 　　Here are some books for you to choose from.这些书可供你选择。 　　There are too many cakes to choose from.蛋糕太多了，不知要选哪个好。 　　比较：　He didn't know what to choose.他不知道选什么。 　　        He didn't know what to choose from.他不知道从哪儿去选。

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