The Science Museum interests me a lot. I enjoy        there. 

You ______ be polite to the old man.

Those who failed to get into the art exhibition ________ disappointed as many of the artists who should have appeared did not come. 

— Must I stay here with you?—No, you_____. You may go home, but you ______go to the net bar.

—I’m going to New York this evening. Is there a flight to New York then?—There____ be a flight. But you’d better call the booking office to make sure.