Many rivers()()()in our village我们村的许多河流已经被污染了

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Many rivers()()()in our village我们村的许多河流已经被污染了
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Many rivers()()()in our village我们村的许多河流已经被污染了
Many rivers()()()in our village我们村的许多河流已经被污染了

Many rivers()()()in our village我们村的许多河流已经被污染了
正确的答案是
Many rivers (have) (been) (contaminated) in our village
3 个 空也可以填
have become polluted
被污染
be contaminated
become polluted

Many Rivers is already polluted in our village.

我们村的许多河流已经被污染了。
Many rivers()()()in our village.
答案:have been polluted
解析:本句的时态为现在完成时