Viết lại câu sao cho nghĩa không đổi

viết lại câu
1 it's my duty to finish this work before lunch (supposed)
2 Both Peter and sally wore shocked bt the news (as well as)
3, you must take your medicine otherwise; you won't get well (in order to)
4 I'm thinking about buying a villa (thought)
5, That idea was not worth considerity