句型转换。
（1）We are having lunch at home .(改为一般疑问句，并做肯定回答)
you having lunch at home ?Yes , .
（2）Jack isflying the kite now .(对画线部分提问)
Jack now ?
（3）He goes to work at 7:00.(改为一般疑问句，并做否定回答)
he to work at 7:00?No,he .
（4）I have lunch at12:00 noon. (对画线部分提问)
you lunch ?
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