— I wonder _________ or not the animal signs are kept in a fixed order.— Oh, they should be.
______ the soldiers will go to help find the missing plane.
Don't ______ the window. Listen to me carefully.
He lives ________ six floors ________ me .
―The best time ______ Yangzhou is in spring. ―Yes, I think so.
―Why are you in such a hurry, John? ―There ________ a basketball match between Class Three and our class in ten minutes.