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There seems never to have been a civilization(文明) without toys, but when and how they developed i...

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Before have we never seen each other  Never before we have seen each other  Each other have We seen never before  Never before have we seen each other  
seems to be      seem to be      seems to have      seem to have  
whose time    when   on which    by which time  
I before never have    Never have before I    Never before have I    Before never have I  
to never break    never to have broken    never to be breaking    never to be broken  
did I think of    have I thought of    I thought of    I have thought of  
No,I never have seen anything like that before    No,never I have seen anything like that before    No,never have 1 seen anything like that before    No,I have seen anything like that before never  
that    which    who    it  
have never existed  have all died out  may exist in the future  are in existence  
There seems that   It seems to be   There seems to be   It seems that  
There seems to have    There seems to be    He seems to be   It seems to be  
Never have I    We never have   Have we never   Never we have  
worn off    turned off    kept off    taken off  
seems; have forgotten    seemed; had forgotten    seems; had forgotten    seemed; have forgotten  
have seemed    seemed    seems    seem  
to never break    never to be breaking    never to be broken    never breaking  
will never    never will    have never    never have  
seems to be    seem to be    seems to have    seem to have  

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