Our teacher said to us that the earth _________ around the sun.

In order to find the missing child, villagers _______ all they can over the past five hours.

 He ______ at the meeting, but his heart attack prevented him.

—Car prices have been going down sharply in the last 20 years.—It's not surprising because the law of market ________ the price of a product.

 --Have you ever seen Peter recently? --Yes. He _________ me to ask you how you ___________along with your new job these days.