單項(xiàng)選擇題

A.Who's speaking, please?
B.How's everything going?
C.Who's this?
D.Hold on, please. Wrong number!

你可能感興趣的試題

A.Hello, how are you?
B.How do you do?
C.Fine, thank you.
D.That's OK.

A.Who are you?
B.Who is speaking?
C.What's wrong?
D.Why?