[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"external-grammar-886":3},{"payload":4,"id":86,"user":87,"level":93,"course":94,"activity":94,"activity_slug":95,"title":96,"topic":97,"tone":98,"stats":99,"created":102,"score":103,"is_favorite":104,"public":105,"is_external":104},{"assessments":5},[6,14,22,30,38,46,54,62,70,78],{"text":7,"topic":8,"choices":9},"Rarely .......... such a thorough risk assessment before launching a product.","Word Order",[10,11,12,13],"we have seen","have we seen","we saw","did we see",{"text":15,"topic":16,"choices":17},"She has .......... uncanny ability to defuse tension with a single remark.","Articles",[18,19,20,21],"the","a","-","an",{"text":23,"topic":24,"choices":25},"I .......... the figures all morning, and I still can’t reconcile them with last quarter’s report.","Present Tenses",[26,27,28,29],"checked","have been checking","am checking","have checked",{"text":31,"topic":32,"choices":33},"By the time the auditors arrived, the finance team .......... the discrepancy and documented the fix.","Past Tenses",[34,35,36,37],"already spotted","had already spotted","has already spotted","was already spotting",{"text":39,"topic":40,"choices":41},"If the negotiations drag on, we .......... the deadline unless we bring in extra staff.","Future Tense",[42,43,44,45],"will miss","are missing","will have missed","miss",{"text":47,"topic":48,"choices":49},"The final decision .......... until the legal team has reviewed the revised contract.","Passive Voice",[50,51,52,53],"hasn’t been making","isn’t making","won’t be made","won’t make",{"text":55,"topic":56,"choices":57},"You .......... have copied the entire paragraph; a brief quotation with a citation would have been enough.","Modal Verbs",[58,59,60,61],"shouldn’t","can’t","mustn’t","needn’t",{"text":63,"topic":64,"choices":65},"The CEO refused to .......... the allegations, insisting the investigation was still ongoing.","Phrasal Verbs",[66,67,68,69],"take after","back down from","bring about","look into",{"text":71,"topic":72,"choices":73},"The consultant, .......... recommendations were adopted almost verbatim, later admitted she hadn’t anticipated the backlash.","Relative Clauses",[74,75,76,77],"who","whom","which","whose",{"text":79,"topic":80,"choices":81},"“I didn’t disclose the data to anyone,” he said. → He denied .......... the data to anyone.","Reported Speech",[82,83,84,85],"having disclosed","disclosing","to disclose","to have disclosed",886,{"id":88,"username":89,"first_name":90,"last_name":91,"image":92},24193,"matilde-rinaldi","Matilde","Rinaldi","https://api.useofenglish.ai/static/img/users/default-profile-picture.jpg","C1","Grammar","grammar","Mixed Exercise","Create a mixed exercise for grammar in use practice","Standard",{"times_played":100,"num_favorites":101},11,0,"2026-05-19T17:49:14",null,false,true]