题目内容
A lot of trees ______ on the hill yesterday.
| A.are planted | B.will be planted | C.have been planted | D.were planted |
D
考查被动语态的时态。选项中各句均为被动语态,因此不必考虑。句中的时间状语为yesterday,用一般
过去时态。故选D。
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