反义疑问句，无答案，求高手选择并解释

显示全部楼层 · 2011-5-7 20:21:37

1.Mother usedn’t to dress the baby,______?
A.didn’t she B.did she
C.used she D.usedn’t she
2.You must do that again,_________?
A.mustn’t youB.needn’t youC.do youD.don’t you
3.He must wait here, __________?
A.mustn’t heB.doesn’t heC.shouldn’t heD.does he
4.They would rather not have done that last week,________?
A.would theyB.wouldn’t theyC.have theyD.haven’t they
5.I’m sure that I will be well again, __________?
A.am I B.aren’t I C.will I
D.won’t I

千问 · 2011-5-7 20:21:37

1. BC【主句否定，附加肯定。used用did或者usedn't都可以】2.B【你一定要再做那件事。并非表推测，用must的反问needn't】3.B【他应该在那里等着。表推测，用wait的反问doesn't】4. A【'd rather一般用would】5.D【对于这类I suppose，I'm sure……肯定否定看主句，主语谓语看从句。】

千问 · 2011-5-7 20:21:37

第一题答案和解释同楼上第二题选Dmust有两种情况，一种是客观事实型，例如He must be a doctor,isn't he?这种就要根据BE动词而不适合助动词DO。另一种就是你这题啦。所以第三题同上选B第四题同同楼上。第五题没答案反义疑问句动词一般都追随主句，这一句主句是I'M SURE .....所以后面应该用BE动词