1. (2017七下·萧山期中) 根据句子及所给的首字母，写出单词。（每空限填一词）

1. （1） Jim, please wash your school u yourself, it's too dirty.

3. （2） The bus r is never boring because I always talk to my classmates.

5. （3） Ten and thirty is f.

7. （4） Sara is good at singing and she wants to be a m when she grows up.

9. （5） There is no b so we can't cross the river.