They are playing football. (改为一般疑问句)
I like music. (改为一般疑问句)
He is watching TV.(改为一般疑问句)
The grapes are (so sweet)！(对括号部分提问)
They are eating rice dumplings. (改为一般疑问句)
The pests go away.(改为一般疑问句)
He's opening the door. (改为一般疑问句)
I'm having a big dinner. (改为一般疑问句，并做肯定回答)