I think people should stop ( ) trees,or the environment will become worse.
题目
I think people should stop ( ) trees,or the environment will become worse.
A.cut down B.to cut down C.cutting down
选什么,为什么
答案
【答案】C.cutting down
stop doing sth.停止做某事(固定词组)
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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