题目内容
12.-I expected him to be nervous before his speech,but he was as cool as a cucumber.-He _______ it carefully.( )
A. | could have prepared | B. | shouldn't have prepared | ||
C. | must have prepared | D. | can't have prepared |
分析 --我原先预料在演讲前他会紧张,但是他非常镇定.
--他肯定已经细心地准备了.
解答 答案是C.本题考查"情态动词+have done"的结构.could have done表示"本可能而实际上没有…";shouldn't have done是虚拟语气,表示"本不应做但事实上却做了";must have done表示推测,表示"肯定已经…";can't have done表示"不可能已经…";根据句意可知,演讲前很镇定,由此推测他"肯定已经细心准备了",所以答案选择C.
点评 要在正确理解情态动词的基本含义的基础上,整体理解语境中的情感态度,做出合理的判断
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