(   ) 1.   — We must teach our children to be polite to ¡¡¡¡¡¡ elderly.

— Yes. They should learn to treat others in ¡¡¡¡¡¡ more polite way.

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

(   ) 2. — Guess who I met ¡¡¡¡¡¡ accident in the street. Mr Lin!

         — Really? It’s almost ten years since I met him ¡¡¡¡¡¡ the last time.

       A. in; for           B. with; at         C. by; at            D. by; for