1. 用方框中所给单词的适当形式填空。

work   background   listen   purpose   interview

1. （1） The of these tests is to find out who may need extra help.
3. （2） If you want to know moreinformation, just contact us.
5. （3） He hasmany famous people.
7. （4） Miss Yang is a good presenter and she has a lot of.
9. （5） Keep and you'll be successful.