一、单项填空 在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。（本大题共15分，每小题1分）
1. This is _______ important book. It helped me a lot in ________ old days.
A. a; an B. an; the C. the; an D. /; the
2. ---Amy had nothing for breakfast, _________ she?
---_______. She had some bread and milk.
A. had; Yes B. had: No C. did; Yes D. did; No
