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The country has already sent up three unmanned spacecraft, the most recent ______ at the end of last...

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will be sent   is sent   has been sent   was sent  
has been launched   having been launched   being launched   to be launched  
has been launched    having been launched    being launched    to be launched  
to be sent   having been sent   sent   being sent  
has been launched   having been launched    being launched    to be launched  
have been sent for  has been sent for  have been looked for  has been looked for  
was   has been   will be   would be  
A; the    The; the    The; /    /; the  
to be launched   launched   being launched   has been launched  
has sent up    has been sent up    have sent up    have been sent up  
was    has been    will be    would be  
has been launched    having been launched   being launched    to be launched  
A; the    The; the    The; /    /; the  
has been sent    have been sent    are sent    is sent  
asked for   sent for   called for   looked for
  
have been sent    is sent    has been sent   are sent  
finished    has finished    will finish    finishes  
power  troop  arms  weapon  
has been launched  having been launched  being launched  to be launched  
already; already    yet; already    already; yet    yet; yet  

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