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

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参考答案

【参考译文】这儿有五双可供挑选，但我不知买哪双。
【答案解析】本题考查动词不定式作后置定语。指的是在这五双中挑选，所以要用介词from，故本题答案选B。

1 After the flood,no house in the village__________．

A．left standing

B．was left to stand

C．remained standing

D．was remained stood

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2 The question __________ at the meeting tomorrow is very important．

A．to discuss

B．being discussed

C．to be discussed

D．will be discussed

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3 It won´t be long __________ the modern communications spread over all the villages in china．

A．when

B．before

C．until

D．as

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