He has been a teacher ______ six years ago and he has been here _____ 3 years.A. for; for B. since; for C. for; since
I lost my Chinese book. Please call me_____12345678 if(如果)you see it.
---Is Lingling’s grandmother cooking the meal? ---No, she 。
At this moment , John ______ lunch.
--- Listen ! Who _______in the room? ---Let’s go and see.
He is taking ______ now.