1Theladywasseencomefromthelocallibrary.
2Sofarthestudentshaveacceptednoinstructionsastowhattodonext.
3ThoughNancyisonly7yearsold,butsheiscleverenoughtoworkoutapuzzledifficultevenforagrown-up.
4Theyoungmaninthestoryappearedcoolandunconcernedinsteadoftoproteststronglyatthetime.