题目内容：

My father didn't sleep.He____(work) all day yesterday.

优质解答

My father didn't sleep.He （worked ） all yesterday,我爸爸没休息.他一直工作到昨天.注：这里的yesterday是“昨天”的意思,所以work要使用过去式,要在后面加ed.但是前面一句My father didn't sleep中已有一个过去...