问题补充：
---I will take an exam next week and I am well-prepared.
---.
A. Congratulations.
B. All the best.
C. Cheer up.
D. Take it easy.
答案：
A. Congratulations.
(答案→)B. All the best.
C. Cheer up.
D. Take it easy.
解析：考查交际用语。A祝贺；B一切顺利；C振作起来！提起精神；D不要担心。句意：下个星期我要参加一次考试，我也准备好了。祝你一切顺利。根据句意选择B。
