I．单项选择（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正确答案。
1. Although Huai’an isn’t ____ capital of Jiangsu, it is ___ city with many places of interest.
A. a, a B. a, the C. the, a D. the, the
2. The Grade 9 students often have a picnic ______ Sunday afternoons.
A. in B. on C. at D. to
3. This book doesn’t belong to _____. It is so interesting that I want to buy one for____.
A. I, me B. mine, myself C. myself, me D. me, myself
4. Physics _______ an easy subject for me when I was young. I usually got high marks then.
A. is B. are C. was D. were
