题目内容
11.They left here early and ________ by now.( )A. | should arrive | B. | must arrive | ||
C. | can arrive | D. | should have arrived |
分析 他们早就离开了这里,到现在应该已经到了.
解答 答案是D.本题考查表示推测的情态动词;must"肯定,一定",用在肯定句中表示有客观依据的推测;can"可能",往往用在否定句和疑问句中表示可能性的推测;should"照理应该…",表示按照常理、常规的推测;根据语境,本题是按照常理推断,选用should,此外,对过去的或已经发生的事件的说明用"情态动词+have done",故选D.
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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