[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"external-mc-1408":3},{"payload":4,"id":47,"user":48,"level":54,"course":55,"activity":56,"activity_slug":57,"title":6,"topic":58,"tone":59,"stats":60,"created":63,"score":64,"is_favorite":65,"public":66,"is_external":65},{"text":5,"title":6,"choices":7},"Public transport systems have (0) PLAYED a crucial role in the growth of modern cities. Long before private cars became common, people had to rely (1) .......... shared ways of getting from one place to another. In the nineteenth century, horse-drawn buses were introduced in many cities and quickly became a popular (2) .......... of travel. Later, these were replaced by electric trams, which were cleaner and more efficient.\n\nAs cities continued to expand, underground railways were built to deal (3) .......... the growing number of passengers. London, for example, opened the world's first underground system in 1863. Over time, public transport networks became more complex, connecting suburbs to city centres and making it easier for workers to (4) .......... to their jobs every day.\n\nIn the twentieth century, buses and trains improved further, and governments began to invest heavily in transport infrastructure. Today, many cities are trying to cut (5) .......... pollution by encouraging people to leave their cars at home. As a (6) .........., modern transport systems now focus not only on speed and convenience but also on sustainability. Although challenges remain, public transport continues to (7) .......... an essential part in urban life and will probably (8) .......... important in the future.","City Transport History",{"1":8,"2":13,"3":18,"4":22,"5":27,"6":32,"7":37,"8":42},[9,10,11,12],"on","by","at","for",[14,15,16,17],"way","style","means","route",[12,19,20,21],"of","to","with",[23,24,25,26],"commute","approach","arrive","reach",[28,29,30,31],"away","down","out","off",[33,34,35,36],"cause","reason","result","fact",[38,39,40,41],"do","play","make","take",[43,44,45,46],"hold","keep","last","stay",1408,{"id":49,"username":50,"first_name":51,"last_name":52,"image":53},27675,"giacomo-savoldelli","Giacomo","Savoldelli","https://lh3.googleusercontent.com/a/ACg8ocJ3BSct0ihRp-OMq10VHDxe4taR7dRVp9FQSLOWsG9PJoDeGw=s96-c","B2","Reading","Multiple Choice","multiple-choice","Create an exercise about the history of public transport systems","Standard",{"times_played":61,"num_favorites":62},5,0,"2026-08-20T16:55:32",null,false,true]