1. 用方框内所给词的适当形式完成下列句子（有一项多余）

be surprised to    pollute    use    calm    tall   begin

1. （1） My daughter is much now. The jeans she wore last year are already too short.
3. （2） Failure isn't always bad. It can teach you lessons.
5. （3） Tony find nobody at home.
7. （4） The air became a big problem in our country.
9. （5） At the of the concert, Tan Dun played a piece of music with water.