1. 短语填空

turn off,   be related to,   warm up,   in case,   at least,   sign up

1. （1） We had better before taking part in a game.
3. （2） The company organised an annual trip and all its employees for it.
5. （3） Take an umbrella with you it rains.
7. （4） Would you mind if I the radio?
9. （5） You should visit your grandparent once a month.
11. （6） All the articles should students' life.