He is eating bananas.
(1)改为一般疑问句。
（2）对he提问
（3）Do you know________？
（4）对bananas提问
（5）Do you know__________?
(6)对eating bananas提问：What_____________?
（7）Do you know_________?
參考答案:Is he eating bananas?
Who is eating banana?
Do you know who is eating banana？
what is he eating?
Do you know what is he eating?
what is he doing?
Do you know what is he doing now
