1. 用方框中所给短语的适当形式填空

open up   set off   be known as   as well as   set up

1. （1） They have an organization to help the poor children in the mountainous areas.
3. （2） You can't expect her to do homework look after the children.
5. （3） Mozart a gifted musician when he was very young.
7. （4） If you want to catch that train, you'd better for the station immediately.
9. （5） All the students in our class have their inner world and shared their stories at the party.