[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"external-grammar-1270":3},{"payload":4,"id":77,"user":78,"level":84,"course":85,"activity":85,"activity_slug":86,"title":8,"topic":87,"tone":88,"stats":89,"created":92,"score":93,"is_favorite":94,"public":95,"is_external":94},{"assessments":5},[6,14,21,28,35,42,49,56,63,70],{"text":7,"topic":8,"choices":9},"I can't log in to my account — someone .......... the password.","Present Perfect",[10,11,12,13],"has been changing","changed","had changed","has changed",{"text":15,"topic":8,"choices":16},"We .......... each other since we worked on that project together.",[17,18,19,20],"have been knowing","have known","knew","know",{"text":22,"topic":8,"choices":23},"She .......... her presentation yet, so the meeting can't start.",[24,25,26,27],"hasn't finished","didn't finish","isn't finishing","hasn't been finished",{"text":29,"topic":8,"choices":30},"This is the first time I .......... a conference in Berlin.",[31,32,33,34],"am attending","have attended","attended","had attended",{"text":36,"topic":8,"choices":37},"My colleagues .......... three proposals so far, and we need to choose one.",[38,39,40,41],"submitted","have submitted","submit","have been submitting",{"text":43,"topic":8,"choices":44},"How many times .......... that online course?",[45,46,47,48],"are you taking","have you been taking","have you taken","did you take",{"text":50,"topic":8,"choices":51},"I .......... my keys anywhere — can you help me look?",[52,53,54,55],"haven't found","didn't find","wasn't finding","don't find",{"text":57,"topic":8,"choices":58},"The train .......... , so we’d better take a taxi.",[59,60,61,62],"had been delayed","has been delayed","was delayed","is delayed",{"text":64,"topic":8,"choices":65},"They .......... in temporary accommodation for months while their flat is being renovated.",[66,67,68,69],"have lived","have been living","lived","are living",{"text":71,"topic":8,"choices":72},"I .......... to him twice today, but he still hasn’t replied.",[73,74,75,76],"had spoken","have spoken","spoke","have been speaking",1270,{"id":79,"username":80,"first_name":81,"last_name":82,"image":83},26423,"kiara-toro","Kiara","Toro","https://lh3.googleusercontent.com/a/ACg8ocKOenqdhnipgE00Ok5yJeFaP_WzVj8QRAulChkX6lWLIOA_X0ihyw=s96-c","B2","Grammar","grammar","Create a grammar exercise focusing on 'Present Perfect'","Standard",{"times_played":90,"num_favorites":91},3,0,"2026-07-03T00:18:22",null,false,true]