You’re＿＿＿＿＿your time trying to persuade him. He’ll never join us.  

________ is no doubt _______ Mo Yan, this year’s Nobel Prize winner in Literature, ever did so much on his way to success.

— Are you still thinking about yesterday’s game?— Oh, that’s ____________. 

___ smoking here will be fined.

What’s the noise ? It sounds as if it comes from upstairs.   --______. It must be the window-cleaner working , next door.