1. 句型转换。

1. （1） My father has some friends. (改为—般疑问句)

      father  friends?

3. （2） These are umbrellas. (改为单数句)

    

5. （3） Sally often reads books in the morning. (改为否定句)

     Sally often books in the morning.

7. （4） Joe likes dogs. Joe likes pandas. (合并为一句)