It was very kind of you to do the washing-up but you itA. needn’t doB. shouldn’t doC. mu

问题补充：

It was very kind of you to do the washing-up but you it

A. needn’t do

B. shouldn’t do

C. mustn’t have done

D. needn’t have done

答案：

A. needn’t do

B. shouldn’t do

C. mustn’t have done

(答案→)D. needn’t have done

解析：考查情态动词。ABC选项都含有推测之意。不恰当。D项needn’t have done表示“本没有必要做，但实际已经做了”。句意：你真好，把这些东西都洗了，但是你原本没有必要洗。故D正确。