If ______ in the fridge, the fruit can remain fresh for more than a week.

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问题 If ______ in the fridge, the fruit can remain fresh for more than a week.

选项 A、kept
B、keeping
C、be kept
D、to keep

答案A

解析该句为省略句，相当于一个条件状语从句if it is kept in the fridge。再如：If heated, water can be turned into steam．(水如果被加热，会变成水蒸气。)

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大学英语三级A级

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