请问He's been here for a long time和He's been here a long time的区别,还有 on that day和 that day的区别,别说哪个有错误,都是课本的.

问题描述:

请问He's been here for a long time和He's been here a long time的区别,还有 on that day和 that day的区别,别说哪个有错误,都是课本的.