Oh, boy, why are you killing your time this way? Can’t you find something _____ doing? 

—Did you tell Rose about the test?
—Oh, no, I forgot. I          call her now.

——Do you have enough to _______ all your daily expenses?
——Oh yes, enough and to spare.  

----The boy was so hungry that he ate up the whole cake!
----Oh, he was more _____than hungry.

—Is there anything wrong, Bob? You look sad.
—Oh, nothing much. In fact, I _____ of my friends back home.