Ⅰ. 单项选择(每小题2分，共20分)
1. —Who is ________ best basketball player in your class?
—I don't know. I'm ________ newcomer here.
A. a; an B. an; the
C. the; / D. the; a
2. The bus is too ________ because there are so many people in it.
A. expensive B. cheap
C. crowded D. much
3. —How about your life in the US?
—My life is ________ good here.
A. such B. pretty
C. much D. more
