1．While trying to build a tunnel through the Blue Ridge Mountains,coal was discovered at the construction site.
把coal was discovered 改成 people discovered coal,被动该成主动,与前面的动词trying的逻辑主语一致.
2.He couldn't say that it was that bothered him.
把第二个that该成what.
3.Sherlock Holmes tested many cases by following the footprints left at the scene of the crime.
把at改成on
4.They controlled most of its territory and exploited its rich sources in wheat and oil.
sources(来源)变成resources(资源)
5.This book shows the very interesting comparison between life now and life a hundred years ago.
在life前加定冠词the
6.Although he knew little about the large amount of work done in the field,he succeeded what other more well-informed experimenters failed.
在succeeded后面加介词in
7.The last half of the nineteenth century has witnessed the steady improvement in the means of travel.
last改成 other
8.Ann never dreams of there to be a chance for her to be sent abroad very soon.
to be 改成 being ,of 后面要用动名词形式
9.The British are nor so familiar with different cultures and other ways of doing things,so is often the case in other countries.
把nor改成 not ,把 and 改成 or
10.There are few electronic applications much likely to raise fears regarding future employment opportunities than robots.
much 改成 more,因为后面有than,表比较级