问题
选择题
___he hasn’t come is_______ he is busy writing his novel.
A．Why, because;
B． Why, for;
C．That, because;
D．What, for
答案
答案：A
考查名词性从句。第一空是由Why引导的主语从句，第二空是because引导的表语从句。句意：他没来的原因就是因为他在忙于写小说。所以选A。
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