1、Jane is better today.(划线部分提问,划线部分：better)
How is Jane today?
2、Does he have a temperature?（否定句）
He doesn't have a temperature
3、They must keep the room warm（划线部分提问,划线部分：keep the room warm）
What msut they do?
4、You mustn"t eat rich food.(变为祈使句)
Please don't eat rich food.
5、I don’t feel ill now（变为一般疑问句）
Don't you feel ill now?