1. (2017七下·江苏月考) B)用所给单词的适当形式填空。

1. （1） It's a good habit to brush our (tooth）twice a day.
3. （2） You need to do more sports and watch (little) TV.
5. （3） Let's do exercise and keep (health).
7. （4） Would you like to do some with me this afternoon? (shop)
9. （5） —Which sport are you (interest) in ?   

   —Playing basketball.