---- Why does the river smell terrible?
---- Because large quantities of water ．
A. have been polluted
B. has polluted
C. has been polluted
D. have polluted
-- Why does the river smell terrible? -Because large quantities of waterA. have be
答案:2 悬赏:10 手机版
解决时间 2021-01-04 14:54
- 提问者网友：低吟詩仙的傷
- 2021-01-03 14:03
最佳答案
- 五星知识达人网友：雾月
- 2021-01-03 14:32
A. have been pollutedB. has pollutedC. has been pollutedD. have polluted解析：可联系答.案.网客服索取。
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- 1楼网友：慢性怪人
- 2021-01-03 15:41
我明天再问问老师，叫他解释下这个问题
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