--- Everyone was at the party except you. What happened? --- I ____ after Mike, my pet dog, at home. He was ill.
How many more decades will have to pass ____ scientists succeed in providing a cure for cancer?
_______ information cost him many chances of finding jobs.
The question occurred to me ______ we were to get the machine needed.
My money ______.I must go to the bank to draw some of my savings out before I’ve none in hand.
Our world ___________ to live in without so much pollution.