三. 句型转换 ( 10分)
1. If we want to lose weight, we must go on a diet.
We must have a _________________ _____________ to keep healthy. 
2. The blind man made a living by begging on the roadside.
The blind man ___________ ________ _________ by begging on the roadside.
3. You have become fatter than before; I think you should lose weight. 
You have _________ ________ _____________; I think you’d better lose weight.
4. Eating more vegetables will benefit you a lot.
Eating more vegetables will ___________ ___________ ___________ to you.  
5. Having watched TV for too long, I felt it boring.
Having watched TV for too long, I __________ ____________ ________ it.