强化训练31 反意疑问句
（时间：15分钟 分数：27分）
Ⅰ.单项选择(每题1分，共20分)
1．(2012·大同联考)When he speaks，he must be making eye contact with the other person，________？
A．is he B．isn't he
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。]
2．(2012·金华十校联考)He thought the naughty brothers had escaped being punished by their parents，________？
A．did he B．didn't he
C．had they D．hadn't they
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。]
3．He must be helping the old man to water the flowers，________？
A．is he B．isn't he
C．must he D．mustn't he
