一、单项选择
从下列各题所给的四个选项中选择可以填入空白处的最佳选项。
( ) 1. _______ girl in a purple skirt is Mrs. Betty’s daughter.
A. The B. A C. An D. /
( ) **2. We will never forget what happened ______ the afternoon of May 12, 2008.
A. in B. by C. at D. on
( ) **3. My aunt has two children. But _______ of them lives with her.
A. each B. neither C. either D. both
