OneyearagoBerthaandGracebecameclosefriendsatacollegeinD...
問題詳情：OneyearagoBerthaandGracebecameclosefriendsatacollegeinDartmouth. Oneday,BerthasaidthatherauntMargarethadinvited（邀請）hertospendthesummerholidaywithher.Andtheywouldhavepicnicsandpartiesaswel...