—He should have e to join in the thorough cleaning.
—He , I think. It's not his turn.
A. needn't have to
B. needn't have
C. didn't have to
D. doesn't need to
网友回答
A. needn't have to
B. needn't have
(答案→)C. didn't have to
D. doesn't need to
解析：“他本应该来参加大扫除的。”“他不需要来，没轮到他。”A项表示“本不需要来，但他来了。”D项时态不对。