问题
Polly’s mother was anxious about ______ she could get home safely in ______ foggy a day.
A:whether; that
B:if; that
C:whether; such
D:if; so
B:if; that
C:whether; such
D:if; so
正确答案是：
同类题型
Hurry up! The film _______ for ten minutes.
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Martha is a _______________ girl. She always smiles and says hello to others.
The house is ______ expensive for me ______ afford. [ ]
Is that Jack speaking?—Sorry, he _______ in. He _______ back in half an hour.