30.
(A) Certainly, hold on a minute, I’ll put you through.
(B) He is not in. Can I take the message?
(C) Who are you? May I have your name, please?
(D) Is this Thomas? How old are you?

答案：登入後查看
統計： A(26), B(0), C(6), D(0), E(0) #1575967