–May I go to the concert with you?– I’m afraid not ______you have a ticket, because I have only one.
—Great! It’s one I have ever had.
Roy made three kites, but ______ of them can fly high in the sky.
This problem worried her so much that she didn’t know ___________ with it..
--- ________ David be the new chairperson of the Students’ Union? --- He _______ be, but I’m not sure.
—Liu Xiang has announced the end of his sporting career. —. But I think he is still one of the greatest athletes in China.