题目内容：

英语,名词的改法、(改肯定、否定、一般疑问、特殊疑问)
I am a doctor.
(対“a doctor”提问)
He is happy.
(対“happy”提问)
They play the piano at home.
(対“at home”提问)
He watches TV at 5:00 o'clock.
(対“at 5:00 o'clock”提问)

优质解答

I am a doctor.
I'm not a doctor.
Are you a doctor?
What are you?/What do you do?
He is happy.
He isn't happy.
Is he happy?
How is he?
They play the piano at home.
They don't play the piano at home.
Do they play the piano at home?
Where do they play the piano
He watches TV at 5:00 o'clock.
He doesn't watch TV at 5:00 o'clock.
Does he watch TV at 5:00 o'clock?
What time does he watch TV