Client: Hello. May I speak to Mr. Black?Secretary:_______A: Speaking pleaseB: I ’m sor

继续教育 已帮助 人

Client: Hello. May I speak to Mr. Black?

Secretary:_______

A: Speaking, please

B: I ’m sorry. He ’s at a meeting right now.

C: Hello. Who ’re you, please?

D: Hello. Thank you for calling.

热搜:i型呼吸衰竭主要见于什么