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、keeping
B、kept
C、be kept
D、to keep

答案B

解析 非谓语动词。此处为过去分词短语作条件状语,相当于一个条件状语从句if the fruit is…,从句中省略了主语the fruit和助动词is,在if条件从句中, fruit作主浯,应用被动语态。
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