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

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

It was very kind of you to do the washing up, but you _______ it.

1. A.
   mustn't have done
2. B.
   wouldn't have done
3. C.
   mightn't have done
4. D.
   didn't have to do

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

1. A.
   needn’t do
2. B.
   shouldn’t do
3. C.
   mustn’t have done
4. D.
   needn’t have done