1.When/ you/ start/ hobby?  

When did you start your hobby?

2.We/ find/ make/ models/ very interesting/ because/ we/ should/ creative.  

We find making models very interesting because we should be creative.

3.I/ think/ future/ people/ take up/ more/ outdoor activities.  

I think in the future, people will take up more outdoor activities. 

4.My best friend/ not/ like/ mountain climbing/ because/ he/ afraid/ heights.  

My best friend doesn't like mountain climbing because he is afraid of heights.

5.My sister/ enjoy/ cook/ and/ make/ new dishes/ her own.

My sister enjoys cooking and making new dishes on her own.