1. On my mom's birthday my dad gave her roses which were very sweet and beautiful.

(Vào ngày sinh nhật của mẹ tôi, bố tôi đã tặng cho bà ấy những bông hoa hồng rất ngọt ngào và đẹp đẽ.)
2. Mr.Thanh, who sings very well, can compose songs.

(Thành, người hát rất hay, có thể sáng tác bài hát.)
3. Nam is the boy who is wearing a white T-shirt.

4. The book which he bought yesterday is very interesting.

(Cuốn sách mà anh ấy mua hôm qua rất thú vị.)
5. This morning I missed the train which I usually catch.

(Sáng nay tôi đã bỏ lỡ chuyến tàu mà tôi thường bắt.)
6. I don't like the stories which have unhappy endings.

7. Do you remember the teacher whom you met at the station?

8. The novel which my uncle wrote is interesting.

9. I bought a new computer which cost me a lot of money.

10. Nam, who is a friend of mine, lent me this book.

=>
1. On my mom's birthday my dad gave her roses which were very sweet and beautiful.
2. Mr.Thanh, who sings very well, can compose songs.
3. Nam is the boy who is wearing a white T-shirt.
4. The book which he bought yesterday is very interesting.
5. This morning I missed the train which I usually catch.
6. I don't like the stories which have unhappy endings.
7. Do you remember the teacher whom you met at the station?
8. The novel which my uncle wrote is interesting.
9. I bought a new computer which cost me a lot of money.
10. Nam, who is a friend of mine, lent me this book.