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强化训练31 反意疑问句 （时间：分钟） Ⅰ.单项选择(每题1分，共20分) 1(2017·大同联考)When he speaks，he must be making eye contact with the other person，________？ C．must he D．mustn't he 答案 B [考查反意疑问句。主从复合句中的反意疑问部分一般根据主句判断，主句中的谓语must be doing表示对现在情况的推测，反意疑问部分由助动词be来构成。] (2017·金华十校联考)He thought the naughty brothers had escaped being punished by their parents，________？ Adid he B．didn't he 答案 B [考查反意疑问句。在主从复合句中，反意疑问部分一般要与主句的主谓保持一致，所以答案选B。] He must be helping the old man to water the flowers，________？ C．must he D．mustn't he 答案 B [must在此表猜测，“一定”之意，此时反意疑问句应以must之后的动词为准，所以B项正确。] book，don't forget to put it back on the shelf，________？ C．will you D．won't you 答案 C [祈使句的反意疑问句一般用will you。] (2017·重庆二诊)She must have finished the work the day before yesterday，________？ | 
