— 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

— 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

—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.

—Catherine,  I have cleaned the room for you.
—Thanks. You_______ it.  I could manage it myself.

—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.

—Catherine, I have cleaned the room for you.

—Thanks, you __________it. I could manage it myself.