单项选择题

Factories must clean their water before it is thrown away.

A． Right.
B． Wrong.
C． Doesn’t say.
<上一题 目录 下一题>
热门 试题

单项选择题
-- What’s ______ with your bike-- It’s broken.
A． wrong
B． poor
C． bad
单项选择题
I have learned English ______ 5 years.
A． in
B． since
C． for
相关试题