Rewrite the sentences so that their meaning doesn't change

Rewrite the sentences so that their meaning doesn't change:
1/Hoa is sick,so she can not go to school.
because................... ............. 
2/The last time I saw him was 3 years ago. 
I haven't.................................. 
3/Lan went out because she finished her homework. (So/) 
4.Because it ranined, I stayed home. 
I...................................... 
5.I find making pottery intersting 
I think........................... 
6.My sister is interested in reading comics. 
My siter likes.