题目内容
16.Tom use a clock to wake him up because at six o'clock each morning the train comes by his house.( )A. | couldn't | B. | mustn't | C. | shouldn't | D. | needn't |
分析 Tom 不需要闹钟叫醒他,因为每天早晨六点钟火车都会从他家的房子经过.
解答 答案是D.把本题考查情态动词辨析;couldn't不可能;mustn't禁止;shouldn't不应该;needn't不必;根据下文的原因状语从句"每天早晨6点钟火车从他家房子旁边经过"推断Tom"不必用闹钟",所以答案选择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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