These pens are yellow.改疑问句
The pens are yellow.改为一般疑问句和否定句怎么改?
These pens are blue 改为一般疑问句
Are these pens?是一般疑问句吗?
These pants are yellow.改为一般疑问句
these pens are red怎样变特殊疑问句
These are you pens (改错,只改一次)
Are these pens ___?
These pens are your.
these yellow pencil are hers 改为一般疑问句
These are books?改一般疑问句.
These are my pens同义句 These pens _______
把These are new pens.改成一般疑问句,肯否回答