— Why was it so noisy over there? — The Twins were surrounded by their fans ____ they stepped out of the hall. 

My father and his teacher talked for about an hour of things and persons ______ they remembered at the school.

__ You keep on coughing．What’s the matter? __ Oh, I’ve got a cold．Nothing serious,  ______?

Near the table ________ a poor dog, who desired to satisfy his hunger with something _________ fell from the table.

The professor, _____ some of his assistants, _____ to attend our discussion this afternoon.