题目内容

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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