They are pretty 改为一般疑问句

将they are pretty.改为一般疑问句 They are pretty 改为一般疑问句 They are pretty. 改为疑问句. 怎么把They are pretty 改成一般疑问句 They are happy.改为一般疑问句, They are speak English 改为一般疑问句 They are their rulers.改为一般疑问句 they are all right改为一般疑问句 They are our rulers.改为一般疑问句 They are Chinese workers.改为一般疑问句 They are swimming.(改为一般疑问句) they are my grandparents 改为一般疑问句 They are teacher,（改为一般疑问句） they are for you改为一般疑问句 they are nine改为一般疑问句 they are their erasers 改为一般疑问句 They are drivers.改为一般疑问句 they are potatoes改为一般疑问句