You are really very kind. I’ll never forget the _________ you have done to me.

In English colleges, classes are often arranged in freer and opener______and many jobs are designed for students.

His wife is constantly finding ____with him,which makes him very angry.

There is no _______in looking further into this case, I think.

As a parent, you ought to set a better _____ to your children, who learn bad behaviors quickly.