he asked me,''what is your drother doing ''改为宾语从句 lt took me about two hours to finish it.改
问题描述：
he asked me,''what is your drother doing ''改为宾语从句 lt took me about two hours to finish it.改
答
he asked me what my brother was doing.注意时态,人称,数的呼应
to finish it took me about two hours,把形式主语it去掉,直接用不定时做主语,不知你问的是不是这个