22．_____ , I’ll wait for you to have dinner together. Be back as early as possible.

A．However late it is　　　 　　　B．No matter how it is late　

C．However it is late　　　　　　 D．No matter how late is it

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，并在答题卡上将该项涂黑。

21．If I drive in this city myself, I’ll probably get lost as I haven’t got 　　　very good sense of 　　　______direction．

A．a; 不填　　　　　　　　　 B．the; 不填　　　　　　　　 C．a; the　　　　 D．the; a