[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"external-grammar-124":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 find my keys. I .......... them somewhere on the way home.","Present Perfect",[10,11,12,13],"have lost","had lost","lost","am losing",{"text":15,"topic":8,"choices":16},"She .......... in Berlin since 2021, so she knows the city really well now.",[17,18,19,20],"lived","has been living","has lived","had lived",{"text":22,"topic":8,"choices":23},"We .......... the report yet, but we’ll send it by the end of the day.",[24,25,26,27],"hadn't finished","didn't finish","don't finish","haven't finished",{"text":29,"topic":8,"choices":30},"This is the first time I .......... sushi, and I actually like it.",[31,32,33,34],"have tried","try","had tried","tried",{"text":36,"topic":8,"choices":37},"He .......... three emails this morning, and he’s still waiting for a reply.",[38,39,40,41],"had sent","has been sending","has sent","sent",{"text":43,"topic":8,"choices":44},"I .......... to that restaurant before, so I can recommend a few dishes.",[45,46,47,48],"went","have been","have gone","was going",{"text":50,"topic":8,"choices":51},"They .......... each other for years, but they only started working together recently.",[52,53,54,55],"know","had known","knew","have known",{"text":57,"topic":8,"choices":58},"Sorry I’m late — the train .......... delayed because of the storm.",[59,60,61,62],"was","has been","has","had been",{"text":64,"topic":8,"choices":65},"How long .......... you .......... for this company?",[66,67,68,69],"are / working","have / been working","have / worked","did / work",{"text":71,"topic":8,"choices":72},"I .......... my phone charger. Could I borrow yours for a minute?",[73,74,75,76],"have forgotten","forget","forgot","had forgotten",124,{"id":79,"username":80,"first_name":81,"last_name":82,"image":83},20798,"sophia-breymaier","Sophia","Breymaier","https://lh3.googleusercontent.com/a/ACg8ocI-cgpYQfa7TYkDDjvpIZxfJgp6Im5OiZoXcOcwVPgicwNOD6cT=s96-c","B2","Grammar","grammar","Create a grammar exercise focusing on 'Present Perfect'","Standard",{"times_played":90,"num_favorites":91},2,0,"2026-03-08T14:18:03",null,false,true]