从每小题的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该选项涂黑。
11. As we all know, only the police have ____ power to arrest such kind of bad people by ____ law.
A. the; 不填 B. 不填; the C.不填 ; 不填 D the; the
12. This kind of cake sells____ because it looks____ and tastes good
A. good; well; B. well; good; C. well; well; D. good; good;
13. —Did a letter come for me?
—Yes, there was _______for you this morning.
A. that B. it C. one D. the one
14. “Dear, if you listen to me, you ______ have some candies as a reward,” the woman told her little son.
A. do B. should C. shall D. must
