题目内容
战术是进行战斗的原则和方法。( )
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The time for people to think more about showing thanks is (by the end of a year).
It is now very common for people to use (posts) to thank the volunteers.
What may give the volunteers a sense of belonging is to hold (potlucks) in the office.
Sending out cards could let the colunteers know that people are (grateful) to them.
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