V．单项填空(共l5小题；每小题l分，满分l5分)
从A、B、C、D四个选项中选出可以填人空白处的最佳选项。
21. --Why does your teacher like Tom?
--Because he is honest student.
A. a B. an C. the D. /
22. -- can I improve my English, Mr. Wang?
-- reading English loudly every day.
A. How, By B. How, With C. What, By D. What, With
