把下列句子改为一般疑问句,并作肯定,否定回答,再改 - 知识问答

把下列句子改为一般疑问句,并作肯定,否定回答,再改成否定句.

1个回答

Is Kate pretty and slim?
Yes,she is.No,she isn't.
Kate isn't pretty and slim.
Are they doctors?
Yes,they are.No,they aren't.
They aren't doctors.
Is the boy happy?
Yes,he is.No,he isn't.
The boy isn't happy.

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