1. I have a friend whom mum is a volunteer worker

2 it is a camping shop which has a lot of good equipment 

3. The rescue operation was arranged by a charity organization which was a success 

4. My uncle visited us last weekend who is a fire fighter 

5 . 2015 is the year which my sister became a nurse

6. The storm started at 2 o'clock this morning which caused a lot of damage 

7 Nick, whom i've known for a long time, is my classmate