1. Since she was ill, she couldn't come to class.
2. Children's teachers are often given flowers on Teachers' Day.
3. Although the weather was bad, we went out for a picnic.
4. The city was completely destroyed by the storm.
5. Because of his broken leg, he had to go to the hospital.
6. Unless it rains, our crop will not be good.
7. How much does your new handbag cost?
8. Why don't we invite Lan to have dinner tonight?
9. I prefer reading novels to watching TV.
10. It's interesting to go fishing with friends and family.
11. My house isn't as large as your house.
12. She has taken an English course, hasn't she?
13. Da Nang City is the most peaceful city.
14. I wish that I could see Lan last night.
15. If only she spoke English well.
16. If Nam doesn't have a computer, he won't send an email.
17. My test is different from yours.
18. They will hang many lanterns in this street next week.
19. Although the joke was funny, no one laughed.
20. Are they interested in playing badminton?
21. This is the first time she has read this book.
