26. I had no idea why they had returned _______ the village so soon.

A. back B. to C. back to D. /

25. We will continue to fight ________ pollution until it is stopped.

about B. with C. for D. against

24. __________ is the population of Hainan

What B. How C. How much D. How many

23.The song was so instructive that everyone considered it __________ worth listening to.

well B. very C. fairly D. hardly

22. Those who have been invited are _________ young scientists.

most B. almost C. mostly D. at most

21. _________ do you think the house belongs to

Who B. Whose C. Which D. How

20. ---I got the first place in the history exam. --- ________________.

It's impossible B. No wonder C. Oh, dear D. Congratulations

19. ---I have a serious headache, Mike. ---_________________.

Sorry to hear that B. That's bad. C. It doesn't matter. D. Take it easy.

18. The teacher's eyes, without any expression, _________ the boy who made faces.

watched B. stared at C. glared at D. were fixed upon

17. ---Does this coat fit you well

---__________. I'd like to have it changed.

Yes, it does B. Yes, it doesn't C. No, it does D. No, it doesn't