----I am not able to solve some practical problems using Newton’s First Law of M
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----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
试题答案
D
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。