Question

Jack described his father,who_______a brave boy many years ago,as a strong-willed man．

A.wouldbe
B.wouldhavebeen
C.mustbe
D.musthavebeen

Answer 1

【答案】：D
本题考查情态动词的用法。句意：杰克把他的父亲描述为一个意志坚定的人，他的父亲多年前肯定很勇敢。用must have been表示对过去事情的肯定推测。