题目内容
【题目】____ is often the case, the teacher has made the teaching plan before the new term.
A. Which B. When C. What D. As
【答案】D
【解析】
试题分析：考查短语的固定用法。As is the often case固定词组，表示通常情况下，故选D
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题目内容
【题目】____ is often the case, the teacher has made the teaching plan before the new term.
A. Which B. When C. What D. As
【答案】D
【解析】
试题分析：考查短语的固定用法。As is the often case固定词组，表示通常情况下，故选D