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:
提示:
解析:
| catch sb. doing sth. 是一常用句型,意为“当场抓住(在做某事)”。
|
提示:
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