Many measures___to stop the forest froom being cut down sinc

chuyaoxianxi2022-10-04 11:39:542条回答

Many measures___to stop the forest froom being cut down since the 1980s(take)

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rywerregfsd 共回答了18个问题 | 采纳率88.9%: have been taken
与since搭配用完成时,措施被采取,用被动语态; 1年前

cazxw 共回答了6个问题 | 采纳率: have been taken .
since 是现在完成时的标志，所以时态应该为have done 的形式，在根据语意“从1980年以来，为阻止砍伐森林，采取了多项措施。”措施是被采取的，应该用被动语态，故为“have been taken ".; 1年前

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Many measures _____________ to stop desertification and the Many measures _____________ to stop desertification and the areas likely to become desert are unde Many measures _____________ to stop desertification and the areas likely to become desert are under control. A.have been taken B.will be takenC.had been taken D.were taken 为什么封1年前1: yyyyiioo 共回答了19个问题 | 采纳率94.7%

选A.
现在完成时表示对现在造成的影响和结果.
这个题,后面是结果,所以前面用现在完成时.

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