- 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
B