1.I hope that you can fix up my bike.

实在是不行了,都没有听说过动宾短语还有代词形式的,就给你下面这些吧：：
1、I hope that you can fix up my bike.
代词：I hope that you can fix it up 或者 I hope that you can fix up mine（物主代词）
2、He is looking for his mother
代词：He is looking his mother up或者He is looking for his （物主代词）
3、Let's cheer up for our victory.
代词：Let's cheer it up 或者Let's cheer up for ours（物主代词）
4、can you set up for it?
代词：can you set it up ?
5、We will call for support
代词：We will call it for help
6.He tells me about school
代词：He tells me about it 或者He tells it to me
7..I'm looking for a long time
代词：I'm looking for it
8.Tom agree with Joyce.
代词：Tom agrees with her
9.Please look after my sister
代词：Please look after her或者Please look after mine