top computer, _______ I can’t go on with mywork, broke down the other day

You scold such a pupilwho always keeps silent so seriously that youhurt him.

I’m not sure whether I can hold a party in the open air, because it ______ the weather.

People must_____ down too many trees.

What does the notice on the wall say?—“No persontake books out of the reading room; otherwise he would be fined.”