II 单项填空 （共15小题，每题1分 共15分）
21. There were two small rooms in the house, ____ smaller of which served as ____ kitchen.
A. a, the B. the, a C. the, the D. a, a
22. They have eaten all the oranges on the table and ____ was left for me.
A. none B. nothing C. no one D. not anything
