I often hear him ( ) in the room I often heard him ( ) in the room

问题描述:

I often hear him ( ) in the room I often heard him ( ) in the room

sing 唱歌我是两个问题。。。都一样吗?解释一下。。。也可以一样填sing,也可以填talk谈话【俊狼猎英】团队为您解答。祝你进步!为什么不加ing,能告诉我吗因为题目有often,说明是经常发生的动作,而不是强调某一次,不强调正在进行,所以不要加ing。【俊狼猎英】团队为您解答。祝你进步!