1---it is so clean --- we s_____ the floor just half an hour ago._英语解答

1---it is so clean --- we s_____ the floor just half an hour ago.

人气：360 ℃　时间：2020-01-06 15:50:07

解答

we 【swept】 the floor just half an hour ago.
我们半小时前才扫的地
用一般过去时