2、 21---30 C B B D B D D B B C 题 31--- 40 D A C B A B B C A D 四、(5) 41-45. ACCDB五、(10)题 46---55 D C A D B B C D B A 六、(30)题 56-70A B D C C A C B D A B D A C D BDACD七、(10)71. What do do 72. How often does watch 73.not op
3、ening 74.don’t think are 75.How hard 八、(10)76-8 . DGAFC九、(15)