句型转换。
Pour hot water into the blender．(改为否定句)，
   ．    hot water into the blender．
We are in need of another two doctors．(改为同义句)
We．   ．   two doctors．
I’d like three slices of beef．(对划线部分提问)，
   slices of beef would you like?
I need some help．(改为一般疑问句)
   you need．   help?
You needn’t wash your clothes now．(改为同义句)
You   ．   to wash your clothes now．