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Polly’s mother was anxious about ______ she could get home safely in ______ foggy a day.
A.whether; thatB.if; thatC.whether; suchD.if; so
A
句意:波利的母亲非常担忧她否能够安全到家在浓雾的一天。这是一个宾语从句,做介词的宾语,连词不用if,第二空: that 为副词,那么,相当于so,所以选A。
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