题目内容
---- I am not able to solve some practical problems using Newton’s First Law of Motion.
----That’s just _______ most of the students are puzzled easily.
A. what B. why C. how D. where
D
解析:
where 引导的表语从句, where表示抽象的地点。句意:这正是大部分学生困惑之处。
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