[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C1-3585":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},3585,47,100,"C1","use_of_english","open_cloze","uoe_open_cloze","Letter of complaint","letter-of-complaint",null,"Dear Manager, I am writing to complain (0) ABOUT our recent holiday, which we booked through your company at the beginning of February. My friend and I feel that the advertising of this holiday was misleading, the organisation poor and the cost (1) .......... high. If we had known what it was really going to be like…",[],"login","pro","2026-10-02T14:14:49",3584,3586,{"id":20,"number":23,"title":24,"slug":25},46,"My perfect weekend","my-perfect-weekend",{"id":21,"number":27,"title":28,"slug":29},48,"Moving house","moving-house",{"id":31,"number":32,"title":33,"slug":34},3539,1,"The Aurora Youth Orchestra","the-aurora-youth-orchestra",false]