① This is ... (speaking).
② This is 7863469.
③ ... is here. 千万不能说 I'm ...
① Who's that?
② Who's speaking (calling), please? 千万不能问 Who are you?
Is that ...? 或 Is that ... speaking (calling)? 绝对不能问 Are you ...?
① Hold on, please.
② Just a moment, please.
③ Wait a minute, please.
① I'm calling to tell you ...
② I'm calling to ask you ...
6. 打电话时，拨错了电话号码，应说：Sorry, wrong number.
1. I've really got to go, I'll get back to you when I get the office.
2. Sorry, I must end the conversation. There's someone on the other line.
3. Sorry, I've got to hang up. My wife's waiting for me.
4. I think I'd better let you go. I'll talk to you later.
5. I have to get back to work. I'll call you later tonight.
6. Shall we continue this later? I've got a call waiting.
7. It's kind of late. Why don't we talk about it tomorrow?
8. I've got to meet a client right now. Can we talk later?
9. I won't keep you any longer.
10. Sorry, it's getting late. Can you call again tomorrow morning?