What can you infer from the beginning of this call: “Hi...
多项选择题What can you infer from the beginning of this call: “Hi, Mary. I’m calling to briefly talk to you about our marketing campaign.”?
A.This is a formal call.
B.This is an informal call.
C.This is not the first time they speak to each other.
D.This is the first time they speak to each other.
A.”?
A.This
B.
B.This
C.
C.This
D.
D.This