阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
Red is used in many American expressions. It can be used to show_______ (happy), as in “a red-letter day”. This is a day _____ something special happens. The expression is probably based on church customs.______ almost six hundred years, church calendars have been marked with red to indicate special holidays.
A red-letter day is ______ day that people are feeling quite happy. It’s a day that you’ve long waited for, a wedding day, for example, ______ it may be a day with a happy surprise. You might tell your friend that yesterday was a red-letter day_________ you won some money in the state lottery(彩票).
“Rolling a red carpet” is another _________ (common) heard expression, which _________ (represent) a warm welcome. A city may “Roll a red carpet” for _______baseball team when the team arrives home after winning the championship.
Red is also used in some expressions that are not happy. Red-handed is one. To be caught red-handed is to be caught ______ (perform) a bad act.