In communication, a smile is usually _____ strong sign of a friendly and ____ op

题干

In communication, a smile is usually _____ strong sign of a friendly and ____ open attitude.

A．the; /

B．a ; an

C．a ; /

D．the; an

上一题下一题 0.85难度单项选择更新时间:2011-10-18 04:19:52

小学学科试题库

初中学科试题库

高中学科试题库