Which preposition should I choose <img class='emoticon' style='Width:19px;Height:19px;' data-delaysrc='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/6.gif' src='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/6.gif' alt='Emotion: sad'/>For instance, when a new English teacher comes and wants to know what have we done up until now at/in English.)<br/><br/>What have you done in English/at English?