Part 1: Complete each space with one of the words given. Make changes if necessary
Parks have long been though of as vast city- owned, tree - covered areas( 1 ) ............. are put aside for people to relax in. They are expected to be large enough for(  2 ) .................. like cycling, running, public gatherings,and ( 3 ) ................... outdoor games.Investment, maintenance, and renovation of parks are all the jobof the city. ( 4 ) ...................... many mosem and densely - populated cities have littel land for such traditional
therefore       however        vary       people       which        where      active