Ⅰ．题目略
1．clean； up
2．put off
3．gave away
4．set up
5．come true
6．cheer up
7．come up with
8．am able to
9．for example
10．gives out
Ⅱ．1．to go 2．to get 3．is able to 4．at the age of 3．such a
Ⅲ．题目略
1．give out
2．clean up
3．how he went
4．such an
5．for posting/sending
6．was set up
7．it possible； to pass
8．didn't use to
9．at the same time
10．Did； use
Ⅳ．题目略
1．I'd like to cheer up the sick kids．
2．The teacher asked who could come up with a good solution to this problem．
3．Why don't you try out for the football team?
4．Please can me up m-hen you get home．
5．Some children are handing out newspapers in the street．
6．His daughter doesn't take after him at all．
7．The teacher can make a difference to the life of the students．
8．I can't work out this math problem．Please help me out．