£¨    £©1. The exhibition shows _________ 200 paintings of young, exciting artists from               France.

 A. at            B. with       C. about           D. in

£¨    £©2. —I wonder ___________ pet fish.

—They are a pleasure to watch

         A. why people keep           B. why do people keep

         C. where people keep          D. where do people keep

£¨    £©3. It is reported that people throw __________ plastic bags along this street everyday

      A. hundred       B. hundreds     C. hundred of      D. hundreds of