we should do what we can protect the environment
we should do what we can protect the environment
改错
改错
英语人气:298 ℃时间:2019-08-19 10:37:37
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改为we should do what we can to protect the environment.中间加个to,事实上更完整的说法是we should do what we can do to protect the environment.what we can do 该名词性从句作为句中的do的宾语,只是此时从句...
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