英语：Yesterday my mother wasn’t at home,I__________(mop) the floorYesterday my mother wasn’t at home,I__________(mop) the floor 是mopped 还是 was mopping?为什么?
问题描述：
英语：Yesterday my mother wasn’t at home,I__________(mop) the floor
Yesterday my mother wasn’t at home,I__________(mop) the floor 是mopped 还是 was mopping?为什么?
答
mopped 这里说的是昨天一天妈妈不在家,并没有提及一个时间段正在做,所以没有必要用进行时.