451、Thank you for calling Joe’s Pizza. 452、Hello? 453、Is that Ivy? 454、This is Professor Smith. 455、I’ll call you tomorrow. 456、To who am I speaking? 457、Who am I talking to? 458、How can I direct your call? 459、You’ve got the wrong number. 460、What number is this? 461、Who do you want to talk to? 462、He isn’t here right now. 463、Can I have him call you back? 464、Can I call you back later? 465、What number can I reach you at?
