句型转换
1. Tony is thirteen years old. (改为一般疑问句,并作肯定回答)
—_____ Tony thirteen years old?
—_____ , he _____ .
2. They are American. (改为一般疑问句,并作否定回答)
—_____ they American?
—_____ , they _____ .
3. He is in Class One. (改为否定句)
He _____ in Class One.
4. They are English boys. (改为否定句)
They _____ English boys.