- 问题详情:A:LastSunday,wewenttothepark.Whenweenteredthepark,Icaughtsight__61__somebeautifulbirds,__62__weresingingbeautifully.__63__(absorb)bytheirsinging,IstoppedtoadmirethemandthenI__64__(lose)sightofmyfriendsinthecrowd.B:Whathappenednext?A:__65__(leave...
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