1. 选词填空

help out; figure out; sign up for; find out; set up; do sb. a favour

1. （1） They a working party to look into the issue.
3. （2） Whenever Tom is in trouble, he always asks me to.
5. （3） Have you how much the trip will cost?
7. （4） Could you and pick up Sam from school today?
9. （5） The police helped him online classes and he set up his online store.
11. （6） You can whether they are prepared to share the cost of the flowers with you.