文明礼貌从我做起，从现在做起，从点滴小事做起。请根据下面的提示和要求，以"When to Say Thank You"为题，写一篇短文。
提示：（1）When should we say "thank you" at home？
（2）When are we supposed to say "thank you" at school？
（3）...
要求：（1）短文须包括提示中的两个要点和一个补充要点，可适当发挥；
（2）短文中不要出现真实的地名、校名和人名；
（3）词数80—100（开头已给出，不计入总词数）。
参考词汇：wash，encourage，open
When to Say Thank You
It's polite to say "thank you" when others help us or say something kind to us.___________

【考点】记叙文；日常生活．

【答案】When to Say Thank You
  It's polite to say "thank you" when others help us or say something kind to us．For example，when Mom or Dad washes the clothes，cleans the room or cooks dinner for us，we should say "thank you" to them．At school，when someone lends us a pen or hands us something，it's nice to say "thank you"．If a teacher says "well done" to encourage us，we 're supposed to say "thank you"．Whenever someone holds the door open for us，we should also say "thank you"．We should be polite students.
  Be polite and always remember to say "thank you"!