用start、become、stop、tour、win造句！！

Question

最好是过去式的（不是也无所谓）稍微复杂些的，不要太简单了
谢谢乐

Answer 1

1.I started to prepare for the plan that I win the first prize in composition.
2.As a result of experiencing the great changes that China has break out and became more and more powerful.
3.The Forbbiden City wasn't to be shown around and you have to stop your step in the past in consequence of being terrified of destroy it.
4.When you toured the place of interest,you are supposed to pay attention to the protecting of environment.
5.Were I you,I would do everthing I can to win the first grades despite the fact that I'm lacking in some aspects of ability.