I. 单项选择：（共40 小题，每小题1分，共40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，并在答题纸上将该项涂黑。
1．----Did you happen to see ____ black and ____ white cat?
----Is she missing? I told you to take care of her.
A．the; the B．the; / C．a; / D．a; the
2．Of the two, I would prefer ____ camera, which is very easy for me to carry.
A．a small B．a smaller C．the small D．the smaller
