Rewrite sentences

Rewrite sentences:
1. I broke the cumputer. I bought it last year (which)
--> I broke the computer 
2. Mr. Tom is friendly so many students love him ( so....that)
--> Mr Tom is....
3. Hoa was sick, but she still went to school
Although....
4. " Can I go to the campsite by bike?"
--> Mai wented to know if.....