—Is that Mr. Wang speaking?  
—Sorry. He isn’t at home. He ________ abroad for a trip.

---Hello! Is that Mr. Wang speaking?

---Yes. _______

1. A.
   Who’s that?
2. B.
   Who are you?
3. C.
   I’m speaking.
4. D.
   I’m Mr. Wang.

---Hello. Is that Mr Wang?

---Yes, ________?

1. A.
   Who's that
2. B.
   Who are you
3. C.
   I'm speaking
4. D.
   I'm Mr Wang

—Is that Mr. Wang speaking? 

—Sorry. He isn’t at home. He ________ abroad for a trip.

1. A.
   has gone to
2. B.
   has been to
3. C.
   has gone
4. D.
   has been