问题描述:
I'm glad to find that many trees___in our city last year.
A.plant B.planted C.were planted D.are planted
为什么不选D 不是I am glad 现在时吗?
A.plant B.planted C.were planted D.are planted
为什么不选D 不是I am glad 现在时吗?
问题解答:
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