问题描述：
Mike,bord,this morning,at home,was.2,they,so,were,happy,two days ago.
3,were,very,theboys,the classroom,noisy,in.4,work,went,back,to,I,last,on,the,day.5,ciean,the ciassroom,two weeks,was,ago.
3,were,very,theboys,the classroom,noisy,in.4,work,went,back,to,I,last,on,the,day.5,ciean,the ciassroom,two weeks,was,ago.
问题解答：
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