[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"external-grammar-1555":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},"Not until the auditors arrived .......... that the figures had been manipulated.","Word Order",[10,11,12,13],"did we realise","we did realise","we realised","had we realised",{"text":15,"topic":16,"choices":17},"As .......... rule, the committee refrains from commenting on ongoing litigation.","Articles",[18,19,20,21],"a","the","an","-",{"text":23,"topic":24,"choices":25},"I .......... (to negotiate) with the supplier all week, so I’d appreciate a quick decision today.","Present Tenses",[26,27,28,29],"have been negotiating","am negotiating","had been negotiating","have negotiated",{"text":31,"topic":32,"choices":33},"By the time the press conference began, the spokesperson .......... (to rehearse) the statement three times.","Past Tenses",[34,35,36,37],"has rehearsed","was rehearsing","rehearsed","had rehearsed",{"text":39,"topic":40,"choices":41},"The final decision .......... (to make) by the board before any public announcement.","Passive Voice",[42,43,44,45],"will be made","has been made","is made","will make",{"text":47,"topic":48,"choices":49},"You .......... have disclosed the client’s data; it’s a clear breach of confidentiality.","Modal Verbs",[50,51,52,53],"can't","might not","shouldn't","needn't",{"text":55,"topic":56,"choices":57},"The CEO tried to .......... the scandal, but the documents leaked within hours.","Phrasal Verbs",[58,59,60,61],"set off","bring about","carry out","cover up",{"text":63,"topic":64,"choices":65},"The report, .......... was circulated prematurely, contained several unverified claims.","Relative Clauses",[66,67,68,69],"what","that","where","which",{"text":71,"topic":72,"choices":73},"If the company .......... more transparent last year, it .......... facing this level of public distrust now.","Conditionals",[74,75,76,77],"were / wouldn't be","has been / wouldn't be","had been / wouldn't be","had been / wouldn't have been",{"text":79,"topic":80,"choices":81},"\"I’ll forward the contract once I’ve had it vetted,\" she said. → She said she .......... the contract once she .......... it vetted.","Reported Speech",[82,83,84,85],"would have forwarded / had had","will forward / has had","would forward / had had","would forward / has had",1555,{"id":88,"username":89,"first_name":90,"last_name":91,"image":92},28823,"moi-me","Moi","Me","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},13,0,"2026-09-27T07:05:33",null,false,true]