Duringthesummerholid的精選

問題詳情：Duringthesummerholidays,wepaidavisitto_____wasonceourprimaryschool_______theworkersuseasastore.    A.what,that  B.where,which  C.where,that   D.what,where【回答】A知識點：連詞題型：選擇...