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

发布时间：2020-08-16 19:21:35

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：本题考查冠词。a + adj.  +sign of 意为一个……样的标志；attitude为不可数，故选C。
以上问题属网友观点，不代表本站立场，仅供参考！