Matching Pairs SynonymsOnline version 2-6 Summary practice exercise by Rose Middlehurst 1 It opens a window onto... 2 consisting of 3 remarkable 4 discusses 5 old 6 unique 7 challenged 8 exhibited 9 protect 10 avoid 11 a characteristic 12 earliest example 13 characteristic 14 It was the most expensive book ever sold. 15 controversial 16 He wrote about... one of a kind It allows us to see... noteworthy a trait keep safe The book had the highest price on record. dangerous made up of aged individual early prototype In the book there was information on ... confronted talks about displayed escape