— ________

—Er…I want to buy my wife a gift for Christmas, but I don’t know what she would like.

A. What are you looking for, sir?  B. Welcome to our store, sir.

C. May I help you, sir?  D. What on earth do you want, sir?

---________ .
---Er…I want to buy my wife a gift for Christmas, but I don’t know what she would like.

1. A.
   What are you looking for, sir?
2. B.
   Welcome to our store, sir
3. C.
   May I help you, sir?
4. D.
   What on earth do you want, sir?