The rivers are dirty. We should _______ next week.A．clean it upB．clean up itC．cl_刷题宝

题干

The rivers are dirty. We should _______ next week.

A．clean it up

B．clean up it

C．clean them up

D．clean up them

上一题下一题 0.65难度单选题更新时间:2019-05-13 09:55:52

答案(点此获取答案解析）

小学学科试题库

初中学科试题库

高中学科试题库