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Many trees ___(plant) in our school yard these years.1.have been planted 2.are planted
选哪个?为什么?
人气：352 ℃ 时间：2019-12-09 10:31:59
解答
1.have been planted
1）树是被种植,应该用被动
2）these years ,这些年是延续的时间,用现在完成时
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