单项选择（共20小题，计20分）
从每小题A、B、C、D中选出一个能填入句中空白处的最佳答案。
21. People, especially teens, think it ______ great fun to surf on _______ Internet.
A. a; the B. a; 不填 C. 不填; the D. the; the
22. _______is the population of Shangdong Province?
A. How many B. Which C. How much D. What
23. ---Can you help clean the window?
---________.
A. I’d like that B. Sure, go ahead
C. Sorry, but I have to meet my uncle D. It’s none of my business
24. ---Don’t _______too late, or you will feel tired in class.
---I won’t, Mum. Good night!
A. wake up B. get up C. stand up D. stay up
25. ---Attention, boys and girls! Our class will see a film tomorrow at Caihong Theatre.
---OK. But when ______ we meet?
A. will B. shall C. should D. must
26. ---Dear, why not _______money by yourself for your 8th birthday present?
---Good idea. I’ll not let a pence (便士) go to waste.
A. save B. spend C. keep D. take
27. ---I’m sorry for losing your book. I will buy a new one for you.
---________. I have another copy.
A. Thank you B. Happy to hear that C. Never mind D. Of course