问题描述：
Turn off the TV,jack._______your homework now?
Mum,just ten more minutes,please.
Ashould you be doing Bshouldn't you be doing
Ccouldn't you be doing Dwill you be doing
选什么,为什么?请详细回答.
Mum,just ten more minutes,please.
Ashould you be doing Bshouldn't you be doing
Ccouldn't you be doing Dwill you be doing
选什么,为什么?请详细回答.
问题解答：
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