[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C2-3966":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},3966,80,84,"C2","use_of_english","open_cloze","uoe_open_cloze","The Great Migration","the-great-migration",null,"The movement of people across borders is (0) BY no means a modern phenomenon - humans have migrated in search of better living conditions since the dawn of civilisation. What (1) .......... changed, however, is the scale and speed at which such movements now occur. Never before (2) .......... so many people been…",[],"login","pro","2026-10-02T14:14:49",3965,3967,{"id":20,"number":23,"title":24,"slug":25},79,"The Invisible Hand Revisited","the-invisible-hand-revisited",{"id":21,"number":27,"title":28,"slug":29},81,"The Creative Impulse","the-creative-impulse",{"id":31,"number":32,"title":33,"slug":34},3887,1,"Narrative Resilience","narrative-resilience",false]