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When people first walked across the Bering Land Bridge thousands of years ago, dogs were by the...

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where  when   what  which  
at the beginning of the nineteenth century  in the middle of the nineteenth century  more than two hundred years ago  when people first sent letters and postcards.  
after    when    until    before  
shyness  pride  self-doubt  laziness  
he,moving   people ,surprising    an astronaut, interesting   man ,beginning  
do    did    doing    are doing  
Mexico  Japan  Korea  Brazil  
past  waited  in  box office  
the first time  for the first time   from time to time  once upon a time  
How did stamps begin t6 be used  Why were postmen sent to get postage  When did people first begin to use stamps  Who was the first to think of using stamps  
do    did    doing    are doing  
do  did  doing  are doing  
How did stamps begin t6 be used  Why were postmen sent to get postage  When did people first begin to use stamps  Who was the first to think of using stamps  
after  when  until  before  
a ;that   a ;when   the ;that   the ;that  
at the beginning of the nineteenth century  in the middle of the nineteenth century  more than two hundred years ago  when people first sent letters and postcards.  
The first time when    For the first time    By the time when    The first time  

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