Complete each of the following statements with proper words or phrases.(请选择正确的词或词组填空）prints gratefulby the end of a yearpostspotlucks1) The time for people to think more about showing thanks is ________.2) It is now very common for people to use_________ to thank the volunteers.3) What may give the volunteers a sense of belonging (归属感) is to hold ___________ in the office.4) Sending out cards could let the volunteers know that people are _________ to them.5) Wu Qing draws a hand pat on a piece of paper and ____________some warm words on it to show her appreciation for all the hard work and effort the volunteers have made.