---IamafraidIcan’treturnthebooktoyoubeforeFriday.---   ...

问题详情：

---I am afraid I can’t return the book to you before Friday.

---       .

A. Don’t be afraid        B. Be careful        C. Not at all          D. Take your time

【回答】

D

知识点：交际用语

题型：选择题