题目内容
A lot of trees ______ in our school last year.
A.plant | B.planted | C.are planted | D.were planted |
D
考查时态和语态。根据last year,以及trees与plant 之间的关系,故用一般过去时的被动语态。
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题目内容
A.plant | B.planted | C.are planted | D.were planted |