The old man down by a truck is being saved now. A. knockingB. to knockC. knockedD. being

发布时间：2020-08-17 05:51:11

The old man      down by a truck is being saved now.
A. knocking
B. to knock
C. knocked
D. being knocked

网友回答

A. knocking
B. to knock
(答案→)C. knocked
D. being knocked
解析：考查过去分词做定语：句意：被卡车撞倒的老人现在正在被救治。Is being saved是这句话的谓语，所以这里需要填的是定语，因为the old man和knock down是被动关系，用过去分词做定语，选C。
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