1.write改writing 2.rich前添加一个the 3.obvious改为obviously；4.that改为which；5.but改为and；6.rapidly改为apid；7.此行正确无误；8.they改为you；9.more改为much；10.去掉and
1.write改writing 2.rich前添加一个the 3.obvious改为obviously；4.that改为which；5.but改为and；6.rapidly改为apid；7.此行正确无误；8.they改为you；9.more改为much；10.去掉and