从A，B，C，D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21．____________person like him won' t be satisfied with ________________little progress that
he has made. （ ）
A. The : a B. The; / C. A; / D. A; the
22. -- Wow! Jenny, I still owe you the film ticket yesterday
—__________ ( )
A. Forget it B. No problem
C. Don't mention it D. Take it easy
