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            • 1. It is ________ elephant.
              [     ]

              A. a              
              B. an              
              C. /
            • 2.
              —What is it?
              —It's _____ ostrich.

              A. a
              B. an
              C. the
            • 3. I have ___ old bike.
              [     ]

              A. a
              B. an
              C. /
            • 4. — What's this?
              — It's          elephant. 
              [     ]

              A. a          
              B. an          
              C. the
            • 5. I want __________ marker.
              [     ]

              A. an                         
              B. a                         
              C. some
            • 6. His grandmother is ____________ old woman.
              [     ]

              A. an 
              B. a
              C. /
            • 7. Look! This is ____________ orange.
              [     ]

              A. an
              B. a
              C. /
              D. the
            • 8. This is ___________ red apple.
              [     ]

              A. a
              B. the
              C. an
              D. /
            • 9. It's _________ apple.
              [     ]

              A. a                          
              B. an                       
              C. the
            • 10.
              Look and choose. 看图选择正确的短语,把序号填在括号里。
              (     ) A. a big apple              
                       B. an big apple
                                                                                                             
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