题目内容
It is exactly ______he often fails in the exam ______ makes his parents worried about him.
A. what; that B. that; which C. that; that D. what; what
【答案】
C
【解析】 考查强调句和主语从句。第一格是主语从句,因为从句中不缺少任何成分,故用That引导;第二格是强调句的后半部分。
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