本书收录了自1990年以来的全部试题,共11套。本书在内容上与其他全真题书的不同点在于,本书无论从翻译及答案的解释上都极为详尽精妙。从本书中读者可以全面而客观地了解这十年来试题的发展变化及难易程度。
Mary ______ my letter;otherwise she would have replied before now.
[A]has received [B]ought to have received
[C]couldn't have received [D]shouldn't have received