Complete each of the following statements with words or expressions from the passage.1) 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) The volunteers working in the library seemed to appreciate the staff’s silent way to __________ them.6) 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.