They are pretty. 改为疑问句.
They are pretty. 改为疑问句.
They are pretty 改为一般疑问句
they are teachers 改为疑问句
怎么把They are pretty 改成一般疑问句
They are beautiful改为反意疑问句
They are swimming.(改为一般疑问句)
They are speak English 改为一般疑问句
they are studying English改为特殊疑问句
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
把They are playing chess. 改为疑问句