The weather in Inner Mongolia is always dry, but sometimes it _____ rain heavily. 

-I walk such a long way on such a hot day .-Oh, dear ! You____ be tired and thirsty.  Sit down and have a drink.

A left－luggage office is a place where bags ________ be left for a short time，especially at a railway station.

—Shall I inform him of the change of the schedule right now?—I am afraid you ________, in case he comes late for the meeting.

 .Susan’s parents have bought a large house with a swimming pool. It ______be very expensive.