填空题 Frank: I just received a letter from one of my old high school buddies.
Sarah: 5
Frank: Well, actually I haven"t heard from him in ages.
Sarah: To be frank with you, I"ve been out of touch with most of my old friends. 6
Frank: I know. It"s really hard to maintain contact when people move around so much.
Sarah: That"s right. 7 But you"re lucky to be back in touch with your buddy again.
A. People just drift apart!
B. That"s nice!
C. Only one or two still keep me posted about what they are doing.
D. Do you often keep in touch with them?