{01}What I am concerned about is ________ they could fit in with society and how we can create more opportunities for them.
A.which
B.what
C.whether
D.who
解析:C 考查名词性从句。分析题干可知空格后面部分的句子成分完整,排除要在句中作成分的A、B、D三项; whether在句中不作成分,意为“是否”,符合句意。 本题选C。 {02}She has never done anything for them, _______ they have done everything for her.
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