Join these sentences, using relative clauses

Here are the sentences joined using relative clauses:

1. The photos, which he had taken with a cheap camera, came out beautifully.
2. I’ve brought the photographs that I told you about.
3. Quang, who lives in that house, is the one you saw on the corner.
4. The birthday card that you liked so well has already been sold.
5. They accepted every suggestion that we made.
6. Is this the letter that you wanted me to mail?
7. I tried to read every book that the teacher recommended to me.
8. That’s the girl whom Tan and Hung were talking about.
9. The flowers that you gave to me are in that vase.
10. Everyone congratulated me on my success at the exam, which I met them about at the party.
11. She’s the woman to whom I gave the flowers.
12. He must be the boy whom we saw running away.
13. The woman who took this picture won the photo contest.
14. The student who is walking with Tam is in my class.
15. Did you mail the two letters that were on my desk?