Why do you stand watch the milk _______over. A. boiling B. boiled C to boil . being boiled
catch the first bus, he got up very early this morning.
The number of people invited to the party _____ sixty, but a number of them ______absent.
He likes to help others ________ he is very busy.
Mr. Smith will ________ in the movement.
I can not spend ________ money on the car which is ________ expensive for me.