Hewasabsentlastweek.(改为一般疑问句)Shewasatthehairdresser'smomentago.(改为否定句)
WereBenandBillatschoolyesterday.(改为肯定句)
Iwasathomeyesterday?划线部分:athome(对划线部分提问)
Theywereatthebutcher'sonMonday.划线部分:atthebutcher's(同上)