第二部分 英语知识运用(共两节；满分45分)
第一节 单项填空(共15小题；每小题1分，满分15分)
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. Mrs. Green bought _____ piano as a birthday gift for her daughter who has _____ gift for music.
A. a; a B. a; the C. the; / D. the; a
22. The teacher asked us _____ so much noise.
A. don’t make B. not make C. not to make D. not making
