I saw him (walk)into the computer house this morning.中walk怎么填空

I saw him (walk)into the computer house this morning.中walk怎么填空

walk see sb do sth 或see sb doing sth
doing 表示正在进行.但是已经说是上午了,所以显然不是正在进行的

walking

walked

就填work 因为是上午发生。see sb do sth。过去式用在see上的