Сопоставим слова с их определениями:
- former - about something someone did in the past
- items - news stories, pieces of something or objects
- congress - big meeting of experts
- nowadays - at the present time
- available - everybody can use it
- rare - unusual
Ответ:
1 - c
2 - d
3 - e
4 - b
5 - f
6 - a