从A、B、C和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. — Did you see _________ jacket on the playground just now?
— Is it _________ new one and very cool?
A. a; the B. the; a C. a; a D. the; the
22. Being hard-working is of the highest __________ to becoming successful.
A. important B. to be important
C. importance D. being importance
