题目内容
15.When he saw all his books _____ here and there on the floor,he knew that something terrible _____.( )A. | lying; must have happened | B. | lie; must happen | ||
C. | lay; might have happened | D. | had lain; could have happen |
分析 当他看见书在地板上到处都是的时候,他知道肯定是发生了什么糟糕的事.
解答 答案是A.本题考查感官动词和情态动词.see后常常接不带to的动词不定式或动名词做宾语补足语,即see sb./sth.do/doing,由此排除C和D;对已经发生的动作或状态的推测用"情态动词+have done"的结构;由句中的动词saw和knew判断事件已经发生,所以选用must have happened表示"肯定已经发生",故答案选择A.
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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