has sam finidhed his homework today?I have no idea.He ----it this_英语解答

has sam finidhed his homework today?I have no idea.He ----it this morning .a did Bhas done C was done 一定说了理由

人气：343 ℃　时间：2019-11-14 01:49:06

解答

选择A,因为this morning是一般过去时的时间状语,所以选用do的过去式did.
这句话的意思是说sam今天的作业完成了吗?-我不知道.他今天早上做的.
所以这件事是发生在过去的,陈述过去一般事实.