题目内容

.--- Excuse me. Is this the right way to the Summer Palace?
--- Sorry, I am not sure, but it _____ be .
A．willB．mightC．mustD．can
B
试题分析:句意,打扰一下，请问这是去颐和园正确的路吗？will用于将来时态多表示将来自然发生的事情.might指可能,是一个情态动词,表示对过去或现在不太有把握的猜测。must用于肯定句表示必须一定.can 表示推测，往往用于否定句或疑问句.由sorry, I am not sure,推断出是不太有把握的猜测，故选B.
点评：情态动词之间的区别主要是语气不同，但提前首先要理解句子要表达的含义,然后做出准确判断.还要把句子看完整，不要遗漏有效信息。
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