They are our rulers.改为一般疑问句

They are our rulers.改为一般疑问句 6 .They are rulers .（改为一般疑问句并做肯定、否定回答） They are rulers改一般疑问句并回答 these are our tapes?改为一般疑问句 请问There are some pens and rulers in the pencil-box.改为一般疑问句怎么 They are swimming.(改为一般疑问句) They are speak English 改为一般疑问句 they are their erasers 改为一般疑问句 They are happy.改为一般疑问句, they are nine改为一般疑问句 they are my grandparents 改为一般疑问句 They are pretty 改为一般疑问句