--Listen! Tom is singing in the next room.--It _______ be Tom. He has gone to Shanghai.
— I think English is __________ unimportant subject.— I don’t think so. It is __________ useful tool when we talk with foreigners.
— __________ do the new hair clips cost? —They are only ten yuan.
—Happy Halloween, Kitty! —_________________
—What can I do for you, sir? —I’d like two____________. We all like fruit.
—Are you classmates? — No, we go to different ____________.