They paid their taxes ____ cash. 

 — Thank God you’re safe!— I stepped back, just _______ to avoid the racing car.

________cleaning the yard and making up the beds for the  old，we also read newspapers for them and had chats with them.

He told me his computer company was in great need of a capable leader, ______ with strong will as well as good humor.

.Some students often listen to music___classes to refresh themselves.