问题
选择题
The water in this river is harmful because It's a ______ river. [ ]
A. pollution
B. polluted
C. has polluted
D. pollutes
答案
答案：B
搜题请搜索小程序“爱下问搜题”
The water in this river is harmful because It's a ______ river. [ ]
A. pollution
B. polluted
C. has polluted
D. pollutes
答案：B