----- There must be a dozen pens in this house but I can never find one when I need one.   ---- Keep looking. ____is sure to turn up. 

You look very beautiful in this dress and there is only one of this kind left here. I wonder    if you would like to buy ______. 

___ the words the boy said at the meeting were true. We must not believe ____ he said. Only a few of them are helpful to us. 

—Did you call on any of your old friends when you returned to your hometown?—_______ of them. They were all very busy.

Jack is taller than ______ boy in his class.