21.—Which is _D_,the sun, the earth or the moon?

　　—Of course, the sun.

　　A. big B. bigger C. biggest D. the biggest

　　22. Of all the sports shoes, John bought _C_pair, Then he had some money for socks.

　　A.a cheaper B.the most wonderful C.the least expensive D.an expensive

　　23.Which is _B__,an elephant or a tiger?

　　A.strong B.stronger C.strongest D.the strongest

　　24.Of all the students, Linda draws _D_ carefully.

　　A.very B.much C.more D.most

　　25. My parents will go there by taxi because it is raining__D___.

　　A. badly B. hardly C. probably D. heavily

　　26. When we speak to people, we should be__A_.

　　A. as polite as possible B. as polite as possibly C. as politely as possible D. as politely as possibly

　　27. My mother is no _B__ young.

　　A. shorter B. longer C. little D. few

　　28. When we arrived, we found the meeting room crowded with _A_ students.

　　A. quite a few B. only a few C. few D. a few quite

　　29. The piano in the other shop will be _C_, but______.

　　A. cheaper; not as better B. more cheap; not as better

　　C. cheaper; not as good D. more cheap; not as good

　　30._C_he read the book, _____he got in it.

　　A. The more; the more interesting B. The less; the more interesting

　　C. The more; the more interested D. More; more interested

　　31.“Do you want_B__?”The shop assistant asked.

　　A. else anything B. anything else C. other anything D. else something

　　32. The night was very _A_, so he had to take off his shoes______.

　　A. quiet; quietly B. quite; quickly C. late; quick D. quite; quietly

　　33. Today Tom goes to school earlier than__B__.

　　A. as usual B. usual C. usually D. ago

　　34. He, our headmaster was _A_ pleased with our work..

　　A .fairly B. even C. much D. great

　　35. We won' t go to the cinema next Saturday. They won't_D_.

　　A. too B. also C. neither D. either