21. Her new house is smaller than her old one.

22. Peter is the tallest in my class.

23. The white dress is cheaper than the black one.

24. Mary is the most intelligent in my group.

25. The Nile is the longest in the world.

------------------- 

1. The girl who lived next door to us is very friendly.

2. Although it rained heavily yesterday, they went on a picnic with their family.

3. My sister who always does her homework before going to class is a hard-working student.

4. If the man doesn't arrive, we will start the conference without him.

5. If we don't recycle bottles and cans, we will not save a lot of natural resources.

6. The waitress who served us dinner yesterday was friendly. 

7. Neil Armstrong, who first walked on the moon, lived in the USA.

8. The car which he has just bought is very expensive.  

9. Mr. Brown, who sings English very well, is my English teacher. 

10. The girl who lived next door to us is very friendly.

11. Although he has a broken leg, he is playing football with his friends.

12. Although it rained heavily yesterday, I went on a picnic with my family.

13. Although she was not beautiful, she took part in a beauty contest.

14. She didn't study hard so she failed the exam.

15. Liz goes to bed early because she has an exam tomorrow.

-21. Her new house is smaller than her old one.

-22. Peter is the tallest in my class.

-23. The white dress is cheaper than the black one.

-24. Mary is the most intelligent in my group.

-25. The Nile is the longest in the world.

*Combine the ..... brackets.

-1. The girl who lived next door to us is very friendly.

-2. Although it rained heavily yesterday, they went on a picnic with their family.

-3. My sister who always does her homework before going to class is a hard-working student.

-4. If the man doesn't arrive, we will start the conference without him.

-5. If we don't recycle bottles and cans, we will not save a lot of natural resources.

-6. The waitress who served us dinner yesterday was friendly. 

-7. Neil Armstrong, who first walked on the moon, lived in the USA.

-8. The car which he has just bought is very expensive.  

-9. Mr. Brown, who sings English very well, is my English teacher. 

-10. The girl who lived next door to us is very friendly.

-11. Although he has a broken leg, he is playing football with his friends.

-12. Although it rained heavily yesterday, I went on a picnic with my family.

-13. Although she was not beautiful, she took part in a beauty contest.

-14. She didn't study hard so she failed the exam.

-15. Liz goes to bed early because she has an exam tomorrow.

@ xin hay nhất ạ 😆