Question

I saw him     when I passed by.

A．ran

B．to run

C．runs

D．running

Answer 1

D

試題分析：句意：當(dāng)我經(jīng)過時(shí)，我看到他正在跑。see sb do sth,看到某人做了某事，強(qiáng)調(diào)看到的全過程，see sb doing sth,看到某人正在做某事，強(qiáng)調(diào)同時(shí)進(jìn)行。when I passed by，當(dāng)我經(jīng)過時(shí)，強(qiáng)調(diào)同時(shí)發(fā)生，故選D