Question 6. I don't know how A. starts my essay. Question 7. My father has just bought a C. lovely blue cotton shirt. Question 8. She's been to Ha Long Bay, A. is she? Question 9. When my father was young, he C. was used to get up early to do the gardening. Question 10. Nga wishes she C. knew how to make a pancake. Question 11. Saturdays are busy, so it's a good idea to B. reserve a table in advance. Question 12. The seaside resort always gets overcrowded in B. peak season. Question 13. Frog legs are one of the better-known delicacies of French D. cuisine. Question 14. Make sure you book tickets C. in advance. Question 15. Mary had him C. paint her house. Question 16. Most people prefer flying B. to than going by train because it's much faster. Question 17. Unless you understand, I D. will explain it again to you. Question 18. The furniture was D. too expensive for me to buy. Question 19. I couldn't solve the problem yesterday and my brother couldn't, B. so either. Question 20. If I had my credit cards with me, I D. would have bought the coat.