题目内容
18.-Who's that boy reading in the garden?Is it Bob?-It __________ be David.I saw him go home just now.( )
A. | must | B. | can't | C. | may | D. | shouldn't |
分析 --在花园里读书的那个男孩是谁?是Bob吗?
--不可能是David,刚才我看见他回家了.
解答 答案:B. must的语气最强,译为"一定,准是,想必是";may的语气弱,译为"也许"、"可能".shouldn't不应该; 否定语气较强时,则用can't译为"不可能".根据I saw him go home just now,可知刚才我看见他回家了,所以那个人不可能是他.故选B.
点评 对待此类考查情态动词的题目,首先要认真审题,结合所给出的语境,正确把握说话者的语气、情感、态度、观点等.其次要认真思考所给选项中情态动词的基本特征和用法,并结合语境推敲答案.
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