In communication, a smile is usually strong sign of a friendly and open attitude.A. the,

发布时间：2020-08-16 19:11:50

In munication, a smile is usually      strong sign of a friendly and       open attitude.
A. the, /
B. a, an
C. a, /
D. the, an

网友回答

A. the, /
B. a, an
(答案→)C. a, /
D. the, an
解析：考查冠词的用法。句意：在交流中，微笑是一种很强的友好和开放态度的符号。所以选C。
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