He spent about ten minutes to finish his homework 同义句转换我还想知道对它的提问,（这是上海六年级的一道题目）
问题描述：
He spent about ten minutes to finish his homework 同义句转换
我还想知道对它的提问,（这是上海六年级的一道题目）
答
It took him about ten minutes to finish his homework.
How long did it take to finish his homework?