20. A: I'd like to find some information about Hainan Island. Would you please teach me ________ to surf the Internet?

B: With pleasure.

A. what      B. when      C. how      D. where

21. Nothing in the world is _________ if you set your mind to do it.

A. impossible     B. wonderful     C. interesting     D. necessary

22. A: Where is my umbrella?

B: It' s fine today. You __________ take an umbrella with you.

A. can’t     B. needn't      C. mustn’t    D. shouldn’t

23. Our sports meeting has been __________ till next Monday because of the bad weather.

A. put on    B. put up    C. put off    D. put down

24. Tom regards Nanjing as his second __________ because he has been here for over ten years.

A. family    B. room     C. house     D. home

25. Coffee is ready. How nice it ___________ ! Would you like some?

A. feels      B. smells     C. sounds    D. looks

26. A: I lost my wallet on my way to school this morning.

B: __________ ! You must be careful next time.

A. Take care,      B, Excuse me    C. What a pity    D. You're welcome

27. A: When shall we meet again?

B: Make it_________ day you like; it's all the same to me.

A. one       B. another       C. some      D. any

28. The teacher asked the students

A. if they were interested in dinosaurs

B. when was Albert Einstein born

C. what they will do with the computers

D. how many trees they have planted