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1. It was my sister that bought this white house from Salim.
2. It was some cookies that his girlfriend made for his birthday's party.
3. It is his sister that hates people keeping me waiting.
4. It was the car that she bought from Tom.
5. It was the bill that my secretary sent to Mr.Harding yesterday.
6. It is this weekend that we are coming to stay with Jane.

7. It is the important decisions that the president makes.
8. It was a small village that I was born and grew up.
9. It is my father that usually complains about my students whenever the go to my house.
10. It was I that used to like climbing up trees and pick fruits.
11. It is my neighbors that always make noise at night.
12. It is we that often complain about the noise at night.