写一封信

• I ' m writing a new letter because i know
  我写一封信因为我知道
• As he didn ' t hear from her , he decided to write to her again
  由于没收到她的来信,他决定再写一封信。
• She writes to her parents once a week
  她每周给父母写一封信
• She writes a letter to me every week
  她每周给我写一封信。
• How often does he write home ？ he writes home once a month
  他多长时间给家里写信？他一个月给家里写一封信。
• What the mother wishes is that her son write her a letter every month
  母亲的希望是她的儿子每个月给她写一封信
• I have written my wife a letter every other day for the last two weeks
  上两个星期中我每隔一天给我太太写一封信。
• She needn ' t have come in person ? ? writing a letter would have been enough
  她本来不需要亲自来? ?写一封信就足够了。
• She wanted to write a letter
  她想写一封信。
• Not having rcceived an anawer , he decided to write another letter to her
  还未收到她的复信，他决定再给她写一封信。