完成句子（共20空；每空0.5分，满分10分）
She was praised for having _________ ________ her sick mother- in –law for over thirty years.
他照顾生病的婆婆三十多年,受到人们的称赞。
We had better discuss the issue in detail before we _______ ________ _______.
在得出结论之前我们最好详细地讨论这个问题。
As we all know, a year is ________ ________ four seasons.
众所周知，一年分四季。
Let’s debate about this matter _______ __________ __________.
在你们方便的时候让我们讨论一下这件事吧。
The local newspaper made ______________ _________ an interview with the famous scientist.
当地报纸安排对那位著名的科学家进行采访。
The class __________ ________ 80 students is hard to manage.
80名学生组成的班级很难管理。
As a leader, you must ______ _________ ________ making promises.
作为领导你必须对承诺保持谨慎态度。
_______ ________ ________, he never told anyone exactly what had happened.
值得赞扬的是，他从来没有完全地把发生的事告诉别人。