(    ) 1. We don’t think she is ____ honest girl.

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

(    ) 2. You can study the grammar ____ memorizing it .

  A. with           B. by             C. on             D. at

(    ) 3. Mary is an ______ girl.

        A. 8 years old     B. 8-year-old      C. 8-years-old           D. 8 years’ old