根据句意,选择方框中的单词并用其适当形式填空

根据句意,选择方框中的单词并用其适当形式填空
luck,something ,receive ,custom ,wrap ,accept
1.Has ____ special happened?There are so many people here!
2.---What did you do just now,Jane?
---I ____ the present in red paper.
3.When you travel around foreign countries,you should learn their ____ first.
4.My cousin has ____ my invitation.He'll come to my birthday party.
5.I was very sad because I didn't ____ my parents' letter but I'm ____ to have a friend like you ,Susan.