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        1. 把下列句子變?yōu)橄鄳?yīng)的復(fù)數(shù)或單數(shù)。
          1. This is a red bus.
          _______________________________________.
          2. I'm a good teacher.
          _______________________________________.
          3. Is that an orange?
          ______________________________________?
          4. Where are their skirts?
          ______________________________________?
          5. Do they have some new bikes?
          ______________________________________?
          6. The boy doesn't like its color.
          ______________________________________.
          1.These are red buses.
          2.We are good teachers.
          3.Are those oranges?
          4.Where is her skirt?
          5.Does he/she have a new bike?
          6.They don't like their colours.
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