神马作文网They speak Chinese （变一般疑问句）
They speak Chinese （变一般疑问句）
The boy can speak Chinese(变一般疑问句）
Tom can speak Chinese.(变一般疑问句)
the boy cab speak chinese变一般疑问句
Rose can speak Chinese.（一般疑问句）
They speak Chinese改为一般疑问句并否定回答
改为一般疑问句：They can speak Chinese very well.______ they ______
We can speak Chinese.( 改为一般疑问句）
He can speak Chinese.(改为一般疑问句）
I can not speak Chinese.(改为一般疑问句）
He can speak Chinese.改为一般疑问句
we speak chinese well[改成一般疑问句]