Many things __________impossible in the past are common today.

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Many things __________impossible in the past are common today.

A.to consider

B.being considered

C.considering

D.considered

参考答案:

Dconsidered impossible in the past是过去分词短语作定语,具有被动的意义。A.to consider是不定式的主动式,不对。B.是现在分词的被动式,表示“正在被考虑中的”,不对。C.是现在分词,表示主动,不对。