题目内容
He looked around and caught a man ______ his hand into the pocket of a passenger.
[ ]
A.put
B.to be putting
C.to put
D.putting
答案:D
解析:
解析:
|
现在分词 putting作宾语补足语,表示主动.catch sb. doing表示“当场抓住(撞见)某人在做某事”. |
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