1. 用方框中所给短语的适当形式填空

a lot of   be good for   at least   depend on   learn about

1. （1） I have to mop the kitchen floor once a day.
3. （2） It all whether she likes the boss or not.
5. （3） Kids can have fun and music at the same time.
7. （4） There are differences between us.
9. （5） I think sports you and everybody should take exercise.