Combine each pair of sentences into one, using relative pronouns / adverbs

Combine each pair of sentences into one, using relative pronouns / adverbs
1. The car is very modern.  Mr lam is driving the car 
2 The girl is the secretary.  You saw the gril at the desk 
2. William is my uncle . I went fishing with William last Sunday 
3 . The girl is very beautiful.  Her dress is red 
4 The field is very fertile. They plant potatoes in the field
5. I don't know the girl. You went with her yesterday
6. Do you know the boy?  He sat next to me at the dinner party 
7. The man is a doctor.  My parents bought the man's house