I have an appointment _______t Dr. Smith, but I need to change it.
A．to
B．off
C．with
D．ｆrom

参考答案：C 答案解析： 短语have an appointment with sb 意为“和某人有个约会”，句意是“我和Smith医生有个约会，但是我需要改期”，故选择C。