The mand has just arrived that all employees in their proper uniforms before 7:00 pm.
A. will be dressed
B. must be dressed
C. were dressed
D. be dressed
网友回答
A. will be dressed
B. must be dressed
C. were dressed
(答案→)D. be dressed
解析：mand命令；后面的宾语从句用虚拟语气谓语动词用should+动词原形，should可以省略，故选D。