5. The math problem is too hard , so 　　　students have worked it out .　

　 A. few　　 B. a few　　 C. little　　　 D. a little

4. This short is too long . Please show me 　　　.

　 A. other　　　 B. the other　　 C. another　　　 D. others

3. Either you or I 　　　wrong this time .　　

　 A. am　　　 B. is　　　 C. are　　　 D. were

2. One of the twin sisters is singing , and 　　　is dancing .

　 A. another　　　 B. other　　　 C. the other　　　 D. the others

1. A: Which do you prefer , tea or coffee ?

B: 　　　. I want some cola .

　 A. Both　　　　 B. Either　　　 C. Neither　　　 D. None

25. I had a bad cold . 　　　is why I didn’t go to the meeting .

　　 A. it　　　 B. one　　　　 C. ones　　　　 D. that　

24. The weather in north China is colder than 　　　in south China .　

23. A: Do you like the game ?　　

B: Yes , I like 　　　.

22. I like small cars better than big 　　　.　　

21. Your watch is so nice . I also want to buy 　　　like yours .