Our English teacher went into the classroom__ on a smile__ her face
问题描述：
Our English teacher went into the classroom__ on a smile__ her face
A with;in
B wear;on
C with;on
D wear;in
答
选择C
with表示伴随的状态,如果用wear要换成wearing,现在分词作伴随状语.原型只能做谓语.
on表示在表面上,“脸上挂着微笑.”又没有凹陷的含义,自然不用in了.
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