句型转换。
This is a blue pen.(对划线部分提问)
________ _______ ?
That is Tom’s watch.(改为否定句)
That ______ ______ Tom’s watch.
Is his name Frank?(作否定回答)
________, _______ isn’t.
These are my parents.(变一般疑问句)
________ these ________ parents?
He is a good boy.(变成复数句)
_________ are good _________.