Last month I travelled across the Sahara Desert by camel with some locals. What amazing experience!
【2014四川成都】___________I am in trouble, my classmates will help me out.
【2014湖南益阳】—May I go to the movies with you?—I’m afraid not ______ you have a ticket. Because I have only one.
【2014山东菏泽】---When will you return the book to me?---I’ll give it to you _____ I finish it.
【2014呼和浩特】If we ______ take environmental problems seriously, the earth _______ worse and worse.
【2012江苏连云港】—Do you know___________?—At the end of July.