问题补充：
Good luck to you, and all your wishes come true.
A. can
B. may
C. must
D. should
答案：
A. can
B. may
C. must
D. should
解析：
may置于句首可表示祝愿，又如：
May you succeed.祝你成功。
May God bless you.愿上帝保佑你。
May you have a very happy married life.祝你的婚姻生活幸福美满。
