I___(see)Li Lei___(go)out just now.为什么?

问题描述:

I___(see)Li Lei___(go)out just now.为什么?

填 saw go
just now 刚才,用于过去时,所以see 用过去式saw
see sb do sth 看见某人做某事
句意是:刚才我看见李磊出去了.