I didn'tgo to work today you ____- it is sunday A didn't need to B need't have 该选哪个?求原因
问题描述:
I didn'tgo to work today you ____- it is sunday A didn't need to B need't have 该选哪个?求原因
答
选A.因为已经过去,而且前一句用了“did”而未用“have”.