Each sentence has ONE mistake. Find and correct it

Each sentence has ONE mistake. Find and correct it.

1. Reading books is one of my brother’s hobby.

2. It often takes me half a hour to get to my school by electric bike.   

3. Can you go to the supermarket for me, please? There aren’t some eggs in the fridge left.

4. Some of the students felt very nervously before the final exam.

5. This is the more comfortable armchair I have got.

6. That was a very bored soccer match without any scores.