A man cannot smile like a child， a child smiles with his eyes，while a man smiles with his

发布时间：2020-08-17 08:34:15

A man cannot smile like a child，     a child smiles with his eyes，while a man smiles with his lips alone.
A. so
B. but
C. and
D. for

网友回答

A. so
B. but
C. and
(答案→)D. for
解析：空格处之后的句子补充说明“a man cannot smile like a child”的原因，应选用for表原因。
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