stop/ prevent/ keep ...from doing..防止...怎么樣
防止環(huán)境被污染
不能用protect,意思是保護(hù),說不通
We should try every means to ____ our environment from being polluted.
We should try every means to ____ our environment from being polluted.
為什么填stop?填protect不對嗎?
為什么填stop?填protect不對嗎?
英語人氣：596 ℃時間：2019-10-26 23:20:01
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