- 问题详情:补全对话A:Haveyouheardoflifeinspace,Mary?B:No,notyet.___________(1)A:UFOs?Youmeanthealiens(外星人)?B:Yeah!___________(2)A:Really?Whendidheseethem?B:Oh,itwasaboutoneo’clockinthemorning.Hewasgoingoutofbedtodrinksomewater.Thenheheardsomethingoutsid...
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