Not only_polluted,but also_dirty
问题描述：
Not only_polluted,but also_dirty
选择题：A.is the sir ,are rivers B.is the sir,rivers are
C.the sir is,rivers are D.the sir is,are rivers
答
B
sir ---sea
not only.but also... 连接两个句子时, not only 后的句子要部分倒装
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