Attention, please, everybody! Please stay_____ while I take a photograph of you.                          

I think you should go back to your ______ plan, which is much more practical than the present one.

Although he sometimes loses his temper, his students like him＿＿＿＿＿for it. 

The most important thing is to keep _____ when you get into difficulties. 

It’s hard for the young people to imagine what _____ conditions their parents once lived under.