[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C2-606":3},{"preview":4,"open":35,"missing":36},{"id":5,"number":6,"total":7,"level":8,"course":9,"activity":10,"discriminator":11,"title":12,"slug":13,"instructions":14,"excerpt":15,"prompts":16,"lock":17,"access":18,"updated":19,"previous_id":20,"next_id":21,"previous":22,"next":26,"first":30},606,20,26,"C2","listening","gapped_text","listening_gapped_text","Water Challenges","water-challenges","Listen to the audio and complete the sentences with a word or short phrase.","Mexico City has a shortage of water because it is (1) .......... its resources. The city sits on a (2) .......... over 2000 m above sea level. The amount of (3) .......... used by Mexico City to pump water is equivalent to that used by London. For half a year, heavy rainfall (4) .......... the city. Isla Urbana is…",[],"login","pro","2026-10-02T14:14:49",605,607,{"id":20,"number":23,"title":24,"slug":25},19,"Original Thinking","original-thinking",{"id":21,"number":27,"title":28,"slug":29},21,"Biomimicry","biomimicry",{"id":31,"number":32,"title":33,"slug":34},587,1,"The western singer","the-western-singer",null,false]