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?
