Where is Jack —-On the playground. He _______ football with hisclassmates.

Is the modern racing car outside ______,Lucia –Of course not. Nobody but Jim can affordsuch an expensive car. It must belong to ______.

Is it that you often play computer games _____ worries your parents? [ ]

ing worked out the program, ________ leave the office

Though ______ to see us, the professor gave us a warmwelcome.