“I don’t think it’s my _____ that the window has been broken. I just played football with my friends and John kicked the ball forwards the window.”said the boy.

一Tell us, Mark ,what is the ____ of the American Civil War?一 Well, is it because the black slaves wanted freedom?

If we are all willing to make____with each other_____when we are in dispute，quarrels and conflicts will be avoided and we will surely live in peace.

 It’s unfair that he gets very little in       for his hard work.

Many kinds of birds fly south at the ______ of winter.