27. After the fighting, the enemy ____.

　 A. gave up　　 B. gave out　　 C. gave off　　 D. gave in

26. Once we _____, we should work hard until we succeed.

　 A. make up our mind　 B. make our mind　 C. make up our minds　 D. make our minds

25. The rich_____ not always happy.

　 A. is　　　 　　B. are　　 　　C. has　　 　　D. have

24. He insisted that we ____ there for the night.

　 A. stayed　　　 B. had stayed　　 C. stay　　 D. would stay

23. The leader of the factory told us that very little _______ was made of the waste material in the past.

　　 A. cost　　　　 B. value　　　　 C. use　　　　 D. matter

22. China Daily is ____ a newspaper, for it can also serve as a useful textbook for English study.

　 A. more than　　　 B. more or less　　　 C. less than　　 D. more and more

21. Can you explain how it _______ that you missed the morning classes?

A. came across　　 B. came to　　　　 C. came up　　　　　 D. came about