A:Hello!Who is that?
B:Hello!This is B .May I speak to .?
A:Sorry,he/she isn't here.Can I take a message for you?
B:That's very kind of you,please tell .that .
再比如说B打电话给A,正好要找的人就是A
B:Hello!May I speak to A
A:Speaking./This is A speaking.
追问要向好友介绍工作和专业,这个怎么搞?