请教一道高中英语改错题~~~

第8行和楼上不一样！

1. 去掉but
2. find和very中间加入it
3. Ride→Riding
4. on→during
5. can和very中间加入be
6. danger→dangerous
7. facts→fact
8. come→came
9. his→its
10. √

I like riding my bike.Though it is not （that）new,but it is ___
my best friend.I find （it）very convenient to go anywhere with a ___
bike.（Riding） gives me not only exercise but also pleasure.I ___
use my bike mostly on summer when the （it） is warm ____
and dry.It can very （be）unpleasant in winter when it is cold and ___
rain is pouring down.It can also be very （dangerous）.Of course ____
I （should） be very careful on my blke.In facts,accidents are not ___
the only problem.One day I went to school and （came） back ____
to find （my） front wheel was missing.It was a long walk to ____
the repairer's shop.Now I have two strong locks. ____

1. but 去掉
2 find 后面加it
3 ride 改为Riding
4 on 改为in
5