本讲为2007年上半年新的教学内容，请对照教材及练习册听录音！
  In the sky
  In space
  In nature
  Could have done
  I could have told this to you, but I don’t remember it now.
  Far
  A great deal
  A little/bit bigger
  Confusion
   
  Result in
  His laziness resulted in his failure.
  Result from
  His failure resulted from his laziness.
  祈使句，and +句子
  Study hard, and you can pass the exam.
  imagine the earth, and you have…
  if…., 句子
  If  you imagine the earth, you have…
  In practice