英语8b P62 reading《Hosting a charity show》帮忙提几个有关课文的问题,帮我熟悉一些问

1.who is Ricky?
2.Why did he say sorry at the beginning of the letter?
3.why did he help with the charity show?
4.How did he feel when he was chosen to be the host?
5.What was his duty at the show?
6.Did he practise a lot?and what did he practise?
7.Why couldn’t Ricky sleep at all the night before the big event?
8.twenty minutes
before the show,what did Ricky tell himeself?
9.during the show,why did Ricky have to speak loudly?
10.Was the show a success?Why or
Why not?