- 問題詳情:Nowadays,moreandpeoplehavechancestotravel,study,workorevenliveisnecessaryforyoutokeepinmindthesegeneral61(rule)forpolitebehavior.Ifyou62(invite)toanAmericanfriend’shomefordinner,firstofall,arriveapproximatelyontime(butnotearly)icansexpectpro...
- 4190