题目内容
【题目】 I got on the bus and found a seat near the back, and then I noticed a man ________ (sit) at the front.
【答案】sitting/sit
【解析】
试题分析: notice sb doing/do sth
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题目内容
【题目】 I got on the bus and found a seat near the back, and then I noticed a man ________ (sit) at the front.
【答案】sitting/sit
【解析】
试题分析: notice sb doing/do sth