题目内容
【题目】 He was seen ______ out with his friends the day before yesterday.
A. to go B. going C. gone D. go
【答案】A
【解析】
试题分析：句意：前天他被看到和朋友一起出去。结构see sb. do sth在变成被动结构时，原来省略to的动词不定式应加上to。所以选A。
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题目内容
【题目】 He was seen ______ out with his friends the day before yesterday.
A. to go B. going C. gone D. go
【答案】A
【解析】
试题分析：句意：前天他被看到和朋友一起出去。结构see sb. do sth在变成被动结构时，原来省略to的动词不定式应加上to。所以选A。