本讲为2007年上半年新的教学内容，请对照教材听录音！
  Supply sb. with sth.
  provide sb. with sth.
  offer sb. with sth.
  Try to do sth.
  Try doing
  only you can solve the problem.
  only in this way can you solve the problem.
  only in China, can you see such a wonder.