[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C2-593":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},593,7,26,"C2","listening","gapped_text","listening_gapped_text","Designing friendly houses","designing-friendly-houses","You will hear part of a lecture about an architect called Josh Keysall, who became famous for designing environmentally friendly houses known as Earthpods. For questions 1-9, complete the sentences with a word or short phrase.","Soon after graduating, Keysall thought up a successful way of providing (1) .......... in the construction of buildings. In his first Earthpod, Keysall used (2) .......... instead of bricks to make the walls. The speaker says the Earthpods are passive solar buildings with walls which are like (3) .......... in the…",[],"login","pro","2026-10-02T14:14:49",592,594,{"id":20,"number":23,"title":24,"slug":25},6,"The special color","the-special-color",{"id":21,"number":27,"title":28,"slug":29},8,"Molecular Biology","molecular-biology",{"id":31,"number":32,"title":33,"slug":34},587,1,"The western singer","the-western-singer",null,false]