2015英语六级作文常用句型：表示紧急有困难

　　马上就要考试了，新东方在线英语六级频道特为大家整理了英语六级作文常用句型，方便大家复习时参考，预祝大家取得好成绩!

　　表示必须,紧急,有困难做某事的句型:

　　1) It is important (necessary, urgent, difficult, easy, convenient, comfortable, expensive, desirable, advisable) for sb. to do sth.

　　2) ...have trouble/difficulty/a hard time/a difficult time (in) doing sth. (有困难做某事)