A-A+
It was very kind of you to do the cleaning bu
问题详情
It was very kind of you to do the cleaning, but you ______it.
A．mustn"t have done
B．wouldn"t have done
C．couldn"t have done
D．needn"t have done
参考答案
正确答案：D
解析：你能打扫卫生很好，但其实是没有必要的。本题考查的是情态动词的用法，据题意“但其实是没有必要的”可知用need最为恰当，故选D。
