上海自考网> 试题题库列表页> A. It goes like this,"A man without a smiling face must not open a shop.”B. As luck would have it ,she sat down next t a gentleman who was more than a little distraught about the long wait for service.C. Just what you and I would do,of course ;the smiled back at the baby.D. No one was talking to anyone else, and all were probably thinking of a dozen other things they would rather be doing than“wasting time" sitting in that office.E. Your smile brightens the lives of all who see it.F. So, naturally.we are glad to see them.