单选题
I saw him ______ into your room when you were not in.
A、
go
B、
to go
C、
went
【正确答案】
A
【答案解析】
固定搭配：see sb. do sth．看见某人做了某事。see还有一种用法：see sb. doing sth.，看见某人正在做某事。
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