- 問題詳情: Inthedistantpast,friendreliedoneachotherfortheirsurvival.Theyhuntedtogetheranddefendedeachotheragainst61__________(danger)animalsandenemies.Inthosedays,ifyoudidn’thaveafriend,youwouldeitherstarve,beeaten62__________killed.Nowadays,friend...
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