题目内容
Smoking, which may be ________ pleasure for some people, is ________ serious source of discomfort for their fellows.
[ ]
A./; a
B.a; a
C.a;/
D.a; the
答案:B
练习册系列答案
相关题目
题目内容
Smoking, which may be ________ pleasure for some people, is ________ serious source of discomfort for their fellows.
A./; a
B.a; a
C.a;/
D.a; the