This is a telephone.如何改为一般疑问句
This is a telephone.如何改为一般疑问句
there is a telephone.改为一般疑问句
This is my telephone number改为一般疑问句
this is a nice telephone改为一般疑问句并作否定回答
This is a clock.(改为一般疑问句)
This is a boy.改为一般疑问句
This is a computer.(改为一般疑问句)
This is a ruler 改为一般疑问句
This is a ruler改为一般疑问句
This is a desk.(改为一般疑问句)
This is a key改为一般疑问句?
This is a pen.改为一般疑问句