Did you see them ___________ in the river just now?A、to swimB、swamC、swimmingC

游客2025-07-10 11

问题 Did you see them ___________ in the river just now?

选项 A、to swim
B、swam
C、swimming

答案 C

解析 see sb doing sth看见某人在干某事。还可以说see sb do sth，其中不定式符号to被省去了。类似的用法还有：watch sb doing sth，find sb doing sth等。

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Didyouseethem___________intheriverjustnow?A、toswimB、swamC、swimmingC