The number of the teachers who ______ cars in our school ____ increasing very fast.

He reads newspapers every day to keep himself _______ about what’s going on in the world

What should I do if my parents don’t agree ________ me—You’d better find a chance to communicate________ them.

He was so busy ____ his homework that he forgot tohave supper.

It has come to my notice _______ some of you have missed classes