In the past my hometown was used to be a beautiful place. Thick trees and green grass could be seen in everywhere. In order to build house and grow more crops, people cut down more and more trees. With time went on, the whole forest was almost destroyed. Gradually the green hills have changed into wasteland. As a result, sandstorms struck us now and then, of which we suffer a lot. However, I do hope all the people should realize the terribly result of not caring about our environment. What's more, they should take good care of the forests and plant trees instead cutting them down to improve our living conditions. 去掉was
网友回答
(答案→)去掉was
解析：
【小题1】句意，过去我的家乡曾经是一个美丽的地方。used to过去曾经，所以去掉was。
【小题2】句意，到处可以看到茂密的树和绿色的草。去掉in。
【小题3】根据and grow more crops，可知这里应该用名词复数，所以house 改为houses。
【小题4】随着时间的流逝，应该说as time went by，所以with 改为as;或 went改为going。
【小题5】表示经常或反复发生的动作，用一般现在时，所以struck 改为strike。
【小题6】suffer from是固定用法，意思是遭受，suffer from指外因，而suffer of指内因，这里指外因，所以of 改为from。
【小题7】句意：因此，我希望所有的人都意识到这个不关心环境的可怕的后果。所以however改为therefore。
【小题8】用形容词修饰名词result，所以terribly改为terrible。
【小题9】这里想说此外，我们应该照顾好森林。所以they改为we。
【小题10】instead of是固定用法，意思是代替，后面接动词-ing形式。