—Listen! Someone is singing in the next room. Who ____ it be? Is it Li Wei?—No, it ______ be her. She is at school now.
It’s cold outside today, You’d better___________your coat.
---Don’t play on the road. It’s dangerous. ---_______________________________.
---When did they__________Beijing? ---They ___________there at 5:00p.m.
I have ________money than you, but I have _________friends than you.
.We can’t ________ the bus before it stops.