--Shall we meet right now?--Sorry. I’m too busy to _______ for the moment.
The teacher told us that the problem was not _____ easy and that we should think _____ over carefully.
It was a matter of _____ would take the position.
Sarah hopes to become a friend of _____ shares her interests.
_____ comes to see me, tell him I’m out.
Tell _______ you like — it makes no difference to me.