----Who is going to ______ prizes to the winners? ----- The headmaster, of course .
Inside the White House, there is a room called the Oval Office. That's ________ President Obama works.
________ I regret most is that I have promised to make friends with the dishonest girl.
We can find out ________ all the excitement is about by playing QQ's “Happy Farm”.
I can't figure out ________ it is that makes him so difficult at school.
We all held the view ________ the book said was right.