一、单项填空（在A、B、C、D四个选项中，选出可以填入空白处的正确答案）（共20分）
( )1. ---What do you think of_____ nature reserve you visited last month?
---It is great. It is _____ideal home for wildlife.
A .the; a B. an; an C. a ; an D. the; an
( ) 2.You can call me_____0510-887999503 or e-mail me_____amy@live.cn.
A. on ; at B .at ; on C. by ; on D. on; on
( ) 3.The number of the students _____ becoming_____ because each family has only one
