是不是少了个spent,亲,你再看看!Their last weekend in the classroom(他们上周末在教室里)没有缺spent应该少了个动词哦，不然怎么改为特殊疑问句？那就加上那个词吧一般，did they spendlast weekend in the classroom？否定，they didnt spend last weekend in the classroom.特殊，where did they spendlast weekend ？