[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"external-grammar-117":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 anywhere. I .......... them on the bus.","Present Perfect",[10,11,12,13],"have been leaving","left","have left","had left",{"text":15,"topic":8,"choices":16},"She .......... in Berlin since 2021, so she knows the city well now.",[17,18,19,20],"had lived","lived","has lived","has been living",{"text":22,"topic":8,"choices":23},"We .......... that restaurant before, but we’ve never tried their desserts.",[24,25,26,27],"went to","have been to","have gone to","were going to",{"text":29,"topic":8,"choices":30},"How long .......... you .......... your current job?",[31,32,33,34],"have / had been having","have / had had","has / had","have / had",{"text":36,"topic":8,"choices":37},"I .......... my report yet, but I’ll send it as soon as it’s ready.",[38,39,40,41],"haven't finished","haven't been finishing","didn't finish","don't finish",{"text":43,"topic":8,"choices":44},"They .......... three meetings this morning, and it’s only 11 a.m.",[45,46,47,48],"had","have had","are having","have been having",{"text":50,"topic":8,"choices":51},"This is the first time I .......... such a convincing presentation.",[52,53,54,55],"had seen","saw","have been seeing","have seen",{"text":57,"topic":8,"choices":58},"He .......... to reply to my email, so I’ll call him instead.",[59,60,61,62],"has failed","had failed","has been failing","failed",{"text":64,"topic":8,"choices":65},"I .......... just .......... the news—our flight has been cancelled.",[66,67,68,69],"have / heard","am / hearing","did / hear","have / hear",{"text":71,"topic":8,"choices":72},"You .......... a lot of progress recently; your pronunciation is much clearer.",[73,74,75,76],"made","have made","have been making","are making",117,{"id":79,"username":80,"first_name":81,"last_name":82,"image":83},20734,"santiago-coria","Santiago","Coria","https://lh3.googleusercontent.com/a/ACg8ocKdl38b4y3sO2BAwEt8cn8p9RV6jFxdNSAl5FXZWm3BFLqBIg=s96-c","B2","Grammar","grammar","Create a grammar exercise focusing on 'Present Perfect'","Standard",{"times_played":90,"num_favorites":91},1,0,"2026-03-06T10:39:08",null,false,true]