he saw it ___when he was walking past A happening B happen为啥是第二个呢
问题描述:
he saw it ___when he was walking past A happening B happen
为啥是第二个呢
答
答案:A解释:1、see sb. do sth. 表示“看见某人做了某事”,用动词原形表示动作已经完成,强调是动作的全过程.比如:I saw him get on the bus. 我看见他上了车了.I saw him work in the garden yesterday. 昨天我...