Combine each pair of sentences using a relative clause

Combine each pair of sentences using a relative clause.

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

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2. It is a camping shop. It has a lot of good equipment.

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

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

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5. 2015 is the year. Mr sisters became a nurse 

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

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7. Nick is my classmate. I've known him for a long time 

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