1. (2017九下·浙江月考) 根据短文内容和所给中文提示，写出空白处所缺单词的正确形式。每空限填一词。

polite     open    value     prefer     decide

1. （1） Tom is a(n)  boy, he often says something bad to others.

3. （2） When sleeping, Simon always keeps the window .

5. （3） They have some difficulty making .

7. （4） The art work is so  that few people can buy it.
   

9. （5） Tom invited me to go to the movies, but I  to stay at home and watch TV.