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While staring out of the window during a flight, not everyone will think carefully about the questi...

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down; and; on    against; while; on   for;with;in    with; while; to  
Lost    Losing    to lose    to have lost  
while; blowed  as; blows  when; blew  while; blew  
before nightfall  continued  without a break  outside  
until    if    unless    while  
down; and; on  against; with; on  for; with; in  with; while; to  
until    as    when    while  
until    as    when    while  
come out   put out    carry out   run out  
lost    losing    to lose    to having lost  
A. to be staring    stared    having stared    staring  

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