一、单项选择(共1 5小题；每小题l分，满分l 5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。

(     )1. It's fantastic to work as           volunteer for the Special Olympics World Games.

       A. a            B. an           C. the          D. 不填

(      ) 2. After chatting happily with the new student in my class, I gave her my QQ number and she gave me          .

       A. she          B. hers          C. her           D. herself

(      )3. Leonardo has acted in 36 films. He finally won the Oscar for Best Actor           February 28, 2016.

        A. in           B. at           C. on           D. to