题目内容
(请给出正确答案)
[主观题]
The water in this part of the river has been contaminated by sewage(污水).A.polluted
The water in this part of the river has been contaminated by sewage(污水).
A.polluted
B.downgraded
C.mixed
D.blackened
如搜索结果不匹配,请 联系老师 获取答案