–-Are there ___desks in the room?--Yes, there are ______.
Which of the following signs can be seen on the door of a shopping mall? A B C D
—I think the man over there must be Bob. -- It_______ be him. He has______ to Australia.
--Do you know________ this dictionary belongs to? --Let me see. Oh, it’s__________.
A foreign visitor is coming to visit our new house this evening. My mother will offer him _______ to eat.
--Do you have enough students to clean the laboratory? --No, I think we need____________ students.