23. (On the phone)
Jack: May I speak to Mary, please? Mary: _______________________
(A) Not at all. (B) Just a minute.
(C) She is a nurse. (D) He is very nice.
30. John: Where does the little boy live?
Linda: _______________________ John: Let’s ask the police for help.
(A) I’ll call you later. (B) Please tell us what to do.
(C) I don’ t know who she is. (D) No one knows where he lives.