Supposing I have seventy-two changes， my dream would come true。
Supposing I have seventy-two changes， I'd like to change into a big fire to make the World warm。
Supposing I have seventy-two changes， I'd like to change into a sturdy old pine to protect from wind and sand。
Supposing I have seventy-two changes， I'd like to change into a cup of tea to offer our teachers。
Supposing I have seventy-two changes， I'd like to change into a good medicine to make all patients healthy。
Supposing I have seventy-two changes， I'd like to change into a big building to let all the sufferers live in and consist a big family。
Supposing I have seventy-two changes， I'd like to change into 。。。
In a word， I would try my best to let happiness and friendship live in the world for ever。