请举例12个反义疑问句

1.They work hard,don’t they?他们努力工作,不是吗?
2.Something is wrong with my radio,isn't it?我的收音机出毛病了,是吧?
3.Everyone is here,aren't they?大家都到了,是吗?
4.No one knows about it,do they?没有人知道这件事,对吗?
5.One should be ready to help others,shouldn't one?每个人都应该乐于助人,是吧?
6.I don't think he will come,will he?我认为他不会来,对吗?
7.There was a hospital here,wasn't there?过去这儿有家医院,是吗?
8.He must work hard at physics,mustn't he?他必须努力学物理,是吧?
9.What you need is more important,isn't it?你需要的东西更重要,是吧?
10.You got nothing from him,did you?你从他那儿什么也没得到,是吗?
11.He needs help,doesn't he?他需要帮助,是吗?
12.Let's go home,shall we?回家吧,好吗?