那是一个书包吗?不,它不是。应该说: A. Is that a schoolbag? No, it isn’t.B. Is this a schoolbag? No, it isn’t.C. Is that a schoolbag? Yes, it is.
A: Come and have breakfast. B:________.
A: Here's a carton of milk for you. B:________.
A : I'm ________. B : Here's a hot dog for you.
当你累了,别人给你一张凳子坐的时候,你应该说:
别人问候你,你会回答: