you change your mind please let me know.A. WouldB. ShouldC. MustD. Might

问题补充：

you change your mind，please let me know.

A. Would

B. Should

C. Must

D. Might

答案：

A. Would

(答案→)B. Should

C. Must

D. Might

解析：考查虚拟语气。虚拟条件句的从句部分如果含有were, should, 或had, 可将if省略，再把were, should或had 移到从句句首，实行倒装。选B。