第一节：语法和词汇知识（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。
例：Mr. Smith owns ____ collection of coins than anyone else I have ever met.
A．larger    B．a larger    C．the larger   D．a large
答案是B。
21．-Do you want to take the black one or the white one?
-I’ll take _______ the black one ______ the white one. I have already had one.
A．both; and      B．neither; nor    C．not; but       D．not only; but also