–Who is the tallest boy?–It ______ be John. Because John is of medium height..
—Linda, please _________how to get there and the cost of the trip.—All right. I’ll make it at once.
Mr. Huang decided to buy that CD player it was expensive.
The Mapo Tofu good. Could I have some more?
—I think we should give a hand to the elderly when they fall onto the ground.— ___________. Everyone needs help when they are in trouble.
—The light in his room is still on. Do you know _______?—In order to get ready for the coming exam.