In communication, a smile is usually str
题型:选择题
问题:
In communication, a smile is usually strong sign of a friendly and open attitude.
A.the; /
B.a; an
C.a; /
D.the; an
In communication, a smile is usually strong sign of a friendly and open attitude.
A.the; /
B.a; an
C.a; /
D.the; an