Theory should be ________with practice.
---- Are you ready to leave? ---- Almost. I’ll be ready to leave just as soon as I ____ my work.
---- How is Dennis getting along with his work? ---- Well, he can always ________ a new idea for increasing sales.
All the children on the playground stared up into the sky until the noise of the plane _________.
Do be careful while crossing the street. If not you may get _______ by a passing car.
I tried to work on, but I got so tired that I could no longer ________.