单选题 16. —How far is it from your home to school? —It's about twenty ______ walk.

单选题 15. —I feel very thirsty and hungry after a long walk. —Would you like some ______ and ______?

单选题 17. —Good morning, madam. Can I help you? —Sure, I'd like ______, please.

单选题 11. In some countries, people eat with chopsticks, while in ______, knives and forks.

单选题 14. —Could you tell me the ______ of making such tasty cakes? —Well, I just follow the directions in the cookbook.

单选题 12. I think computers are very useful. They can help us get much ______ on the Internet.

单选题 13. Looking after children is not only ______ work. Men should also do it.

单选题 18. Good families are much to all their members, but ______ to none.