---Must I finish the work before five o'clock?

---No, you ______.

1. A.
   needn't
2. B.
   mustn't
3. C.
   have to
4. D.
   havrn't to

--- Must I do the rest of the work today?
--- No. You _________  finish it tomorrow.

Must I move the table? No, you _____________.

A．may not           B．needn't           C．mustn't           D．aren't