It took us an hour to finish the work就划线部分提问(an hour)
问题描述:
It took us an hour to finish the work就划线部分提问(an hour)
how___ ___ it take you to finish the work
答
long did��ȥʱ��Ҫ��didŶtook�õ��ǹ�ȥʱ