The good-for-nothing graduate’s mind _______ when he learned that he could not get the graduation diploma because of his poor performance．

Children are to meet with setbacks as they grow up, so their parents don’t have to worry about it.

We must______ using plastic bags in order to protect our earth.. — Yes, we mustn’t _________any more.

How much is the white coat—It’s_____yuan.

You should have told me there was no meeting today, I _____ have run all the way here through the heavy rain. [ ]