Bill: Well, Tom. I’m sorry I must be off now.
Tom: ______. I hope to hear from you soon.
A. Enjoy yourself B. That’s all right C. Keep in touch D. Cheer up正确答案C
Bill: Well, Tom. I’m sorry I must be off now.
Tom: ______. I hope to hear from you soon.
A. Enjoy yourself B. That’s all right C. Keep in touch D. Cheer up正确答案C