should be

• Our christmas bonus should be restored .
  我们发圣诞节赠金的做法应予恢复。
• The manure should be well dug in .
  肥料应掘土均匀地混入土壤中。
• You should be friends with your cousin .
  你应该跟你的表妹和好。
• Your mood should be bland and phlegmatic
  你的心情要舒畅而镇静。
• Horses should be walked for a while after a race .
  马在比赛后应该遛一遛。
• Opportunity should be exploited as it arises .
  要及时把握机会。
• The emergency requires that it should be done ..
  事情紧急，非这样做不可。
• At all hazards it should be washed off .
  要不惜一切把它冲洗掉。
• The air movement should be variable .
  空气的流动应当是变化的。
• It is not good that man should be alone .
  男人不结婚是不好的。