- Good morning, may I speak to Mark, please?- _________
A.Who's there? B.Who's that speaking? C.Who are you? D.Who wants to speak to Mark?正确答案B
- Good morning, may I speak to Mark, please?- _________
A.Who's there? B.Who's that speaking? C.Who are you? D.Who wants to speak to Mark?正确答案B