—Catherine, I have cleaned the room for you.—Thanks. You ______ it. I could manage it myself.
A.needn’t do B.needn’t have done C.mustn’t do D.shouldn’t have done正确答案B
—Catherine, I have cleaned the room for you.—Thanks. You ______ it. I could manage it myself.
A.needn’t do B.needn’t have done C.mustn’t do D.shouldn’t have done正确答案B