1. 选用方框内合适的短语并用其正确形式填空（每项限用一次）。

once and for all, subscribe to, in charge of, break out, come down, participate in,speak up, feel at home, side with, in summary

1. （1） They did everything they could to make me .
3. （2） The kids always their mother against me.
5. （3） They were still living in London when the war .
7. （4） The professor had to . The people in the back couldn't hear him.
9. （5） We can the magazine for as little as $32 a year.
11. （6） Jack has travelled a lot but he's now come back to Britain .
13. （7） I am going to buy some medicine. I think I'm with a cold.
15. （8） The chief engineer was the building of the subway.
17. （9） Everyone in the class is expected to these discussions.
19. （10） , it is my opinion that this complete treatment process was very successful.