Combine each pair of sentences, using suitable relative pronouns or relative adverbs

Combine each pair of sentences, using suitable relative pronouns or relative adverbs:
8. The fence is made from wood. It surrounds our house. ……
9. The first person is Mr. Smith. We must see him. ……
10. He is a famous doctor in my neighbor. You have just met his daughter last night. ……
11. Tet is a big occasion. The members of family gather on this occasion. ……
12. New York is a famous city. Everybody wants to live in this city. ……
13. The country is very peaceful and fresh. The old people enjoy living there. ……
14 Trinh Cong Son composed songs. They are greatly liked by millions of Vietnamese people. ……
yêu cầu lm hết bài, pk có giải thích