二、单项填空（共20小题；每小题1分，满分20分）
21.Her child was crying, but she ___________ him and carried on with her work.
A. knew B. ignored C. recognized D. joined
22. The jacket __________ you bought just now is __________ mine.
A. that, the same B. which, the same as C. what, the same D. what , same
