题目内容
(请给出正确答案)
[单选题]
Memos and letters are the two most ____ types of business communication.
A.common
B.commoner
C.commonest
D.commonly
查看答案
如果结果不匹配,请 联系老师 获取答案
A.common
B.commoner
C.commonest
D.commonly