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．Straight away I went to buy the tickets, but there were left for the next public holiday.
A．nothing B．none C．neither D．no one
22．---How often do you visit your granny in the village?
---I feel ashamed. .
A．Very often B．By accident C．Just once in a while D．All of a sudden
