提醒：点这里加小编微信（领取免费资料、获取最新资讯、解决考教师一切疑问！）
请阅读下列短文，并根据文章内容在横线处填入合适的单词，使短文完整。
As the(66) goes, smiling is sunshine in everyone's heart. When I started to go to primary school, my teacher, Mr. Wei told me the importance of smiling. He told me that (67) was a simple behavior which was very powerful. It can give people warm feelings, show your respect to (68)
Since a smile is a positive attitude, we can often smile to ourselves to become (69) and happy. Although there are some situations where we may experience hardship or even (70) we can always smile to ourselves. It can help us (71) many difficulties as well as succeed in the end. Learning to(72) to others is also beneficial. When we smile to others, we can get a smile in(73) Then it can put us in a good mood. What's more, it can also help us build a good relationship with others. In one word, smiling is a (74) which can help others understand us better. Therefore, let's start to smile and live a better and (75) life.
提醒：点这里加小编微信（领取免费资料、获取最新资讯、解决考教师一切疑问！）
