-- How much do I owe you for lunch?

       -- ________ ．It’s nothing．

       A．Come on         B．Go ahead         C．With pleasure     D．Forget it

--- How much do I owe you for lunch?

   ---          ．It’s nothing.

       A．You’re welcome              B．Forget it   

       C．With pleasure                D．That’s right

--- How much do I owe you for lunch?

---         ．It’s nothing.

A．You’re welcome                            B．Forget it

C．With pleasure                               D．That’s right

—How much do I owe you for lunch?

—            .It ' s  nothing．

A.You're welcome  B.Not at all  C.Forget it  D.That's right

---How much do I owe you for lunch?
---______.It ' s  nothing．

1. A.
   You're welcome
2. B.
   Not at all
3. C.
   Forget it
4. D.
   That's right