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( )6.How many trees ____ this year?A.are planted B.will plan

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( )6.How many trees ____ this year?A.are planted B.will plant C.have been planted D.planted 为什么?
( )6.How many trees ____ this year?A.are planted B.will plan
选 C have been planted
今年已经种了多少树了?
树,是“被种”的,所以要用被动态.
再问： A也是被动语态
再答： 对，A也是被动态，但是这里用一般现在时不合适。
应该用一般将来时，表示询问将要种多少树，或者现在完成时，询问已经种了多少树。
How many apple trees _next year?Aare planted Bwere plantedC. There are many trees planted ---How many months are there in a year?---____ A.Twelve B.Tw how many trees have you planted? How many trees--(plant) this year .讲为什么 They have planted many trees,one third of ____ are pine tree how many trees are Li Lei can't help __the trees,he is busy A.planted B.to plan 问几道英语题!急!1（ ）these trees were planted last year? A.By Whom B trees are planted in our city every year. Many ____ trees should be planted on the mountains. ____ are the apples?a.How many b.How much c.how many money