As nobody here knows what is wrong with the machine, we must send for an engineer to _________ the problem.
He was on the point of setting off for Shanghai ____ his girl friend called him.
My friend asked me to play ____ volleyball, but I’m tired and I don’t think I’ve got ____ energy.
The patient in hospital is ready to accept ____ help she can get.
I thought it of great necessity ____ your father’s advice into consideration.
Here ____ the professor and writer as well as his friends.