答：He goes home on foot.(提问)
How does he go home?
I go swimming on Sundays.(变一般疑问句)
Do you go swimming on Sundays?
Is there a new boy?(否定回答)
No,there is't.
杯子里有许多水.(翻译)
There is much water in the glasses.
They can play at school.(变为一般疑问句)
Can they play at school?