If he _______ to the teacher attentively in the past year, he _______the answer to the question now.

The weather turned out to be fine. I        the trouble to carry my umbrella with me.

Tom_____to several companies after he resigned his position as vice president, but he was rejected over and over again.

Should the present unemployment continue, the society________a more troublesome situation.

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