—Catherine, I have cleaned the room for
题型:选择题
问题:
—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
—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