[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C2-3927":3},{"preview":4,"open":14,"missing":35},{"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},3927,41,84,"C2","use_of_english","open_cloze","uoe_open_cloze","The Bicycle","the-bicycle",null,"Tomorrow, the bicycle celebrates quite a big birthday. It's exactly 200 years (0) SINCE Karl Drais (1) .......... out on his so-called 'running machine' in Mannheim, Germany. His invention formed the basis of the bike as we now (2) .......... it. Time went by and clearly (3) .......... has changed. Yet the bike has…",[],"login","pro","2026-10-02T14:14:49",3926,3928,{"id":20,"number":23,"title":24,"slug":25},40,"The Solar System","the-solar-system",{"id":21,"number":27,"title":28,"slug":29},42,"The Holy Grail","the-holy-grail",{"id":31,"number":32,"title":33,"slug":34},3887,1,"Narrative Resilience","narrative-resilience",false]