1. 句型转换。

1. （1） Pour hot water into the blender.(改为否定句)
       hot water into the blender.

3. （2） We are in need of another two doctors.(改为同义句)
   We   two doctors.

5. （3） I'd like three slices of beef.(对划线部分提问)
   slices of beef would you like?

7. （4） I need some help.(改为一般疑问句)
     you need   help?

9. （5） You needn't wash your clothes now.(改为同义句)
   You to wash your clothes now.