Look ! There’s ______ football under the teacher’s desk. Let’s play ________ football, OK?
Is that boy Alan?—No, it ______ be him. He left for Beijing yesterday.
Hurry up! The film_______ for ten minutes.
You should be yourself and celebrate because _____.[ ]
In the United States, ______ a car most people feel that they are poor. — Yes. Cars are the most important part of life to them. [ ]