There occured a serious problem.改错
There occured a serious problem.改错
There is no ____that short sight is a serious problem among
serious problem
He aways be late is serious problem.如何改错
there is a problem
A generation gap has become a serious problem
改错.Don't worry,Alice.there's anythings serious.
英语句子改错 谢谢老师There remains a problem that existing equipments
翻译“Hunger is a very serious problem in many place.”
Blindness is a serious problem for many people.
pollution is a serious problem in big cities throughout the
英语翻译An equally serious problem is describing a management te