[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-B2-3261":3},{"preview":4,"open":13,"missing":29},{"id":5,"number":6,"total":6,"level":7,"course":8,"activity":9,"discriminator":10,"title":11,"slug":12,"instructions":13,"excerpt":14,"prompts":15,"lock":16,"access":17,"updated":18,"previous_id":19,"next_id":13,"previous":20,"next":13,"first":24},3261,101,"B2","use_of_english","open_cloze","uoe_open_cloze","Beneath the Surface","beneath-the-surface",null,"The world's oceans cover more than seventy per cent of the Earth's surface, (0) YET we know remarkably little about what lies beneath the waves. Scientists estimate that over eighty per cent of the ocean floor remains unexplored, making it one of the (1) .......... understood environments on the planet. Deep-sea…",[],"login","pro","2026-10-02T14:14:49",3260,{"id":19,"number":21,"title":22,"slug":23},100,"The Tourism Trap","the-tourism-trap",{"id":25,"number":26,"title":27,"slug":28},3161,1,"The Greatest Cyclist","the-greatest-cyclist",false]