- 問題詳情:OneyearagoBerthaandGracebecameclosefriendsatacollegeinDartmouth. Oneday,BerthasaidthatherauntMargarethadinvited(邀請)hertospendthesummerholidaywithher.Andtheywouldhavepicnicsandpartiesaswell.ButGracetoldBerthathatsheplannedtostayinClarkman...
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