一、选择题（共两部分，满分25分）
A)单项填空（共15小题；每小题1分，满分15分）
请认真阅读下面各题，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。
1. _______great fun it is to play games on_______ QQ!
A. How; ／ B. What; the C. How; the D. What; ／
2._______ of the students in our class _______interested in micro blogs（微博）on the Internet.
A. Two fifths; is B. Two fifths; are C. Two five; is D. Two-five; are
3. You have to leave now_______ you can catch the early bus.
A. so that B. as soon as C. because D. if
