据统计,安徽省1987年城乡居民家庭恩格尔系数分别为57.5﹪和67.7﹪;2007年恩格尔系数分别为36.3﹪和43.1﹪。这表明
_________, I could have done something.
Nowhere else ________ such a wonderful sight as here.
—Tom has made much progress this term. —________.
________ the last flight. You have to stay here for another night.
—You seem to be a secretary. —________. I have been working as a secretary for two years.