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1. If Ha isn't careful, he will drop the cup.
2. Although Mrs.Thoa was tired, she helped Tuan with his homework.
3. If Mrs.Binh writes a shopping list, she won't forget what to buy.
4. Though Ba ate a lot of food, he wasn't very hungry.
5. I'll go to the airport to meet my friends who come to stay with us this Christmas.
6. Although the weather forecaster predicted it was fine, it rained yesterday.
7. Auld Lang Syne is a song which is sung on New Year's Eve.
8. Although Jim came to the show late due to the traffic jam, he could see the main part of the show.
10. I want to go home because I feel sick.
11. On my mum's birthday my dad gave her roses, which were very sweet and beautiful.
12. If Lan doesn't hurry, she will miss the bus. 

13. Though we live in Nghe An, we will go to Ha Noi to watch the parade on the National Day.
14. We often go to the town cultural house which often opens on public holidays.
15. I am the boy who is wearing a white T-shirt.
16. Even though the keyboard wasn't working well, Mrs Ian completed her letter on time.
17. Ba is tired because he stayed up late watching TV.