I.单项填空（本题共16小题，每小题1分，共16分）
从各题所给的四个选项中，选出可以填入空白处的最佳选项。
1.My mother is ____ English teacher in a university in Beijing.
A.a B.an C.the D./
2.Project Hope has built many schools ____ big classrooms and libraries.
A.in B.of C.for D.with
3.I ____ to the cinema.Would you like to come with me?
A.go B.am going C.have gone D.went
