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 Was it during the Second World War __ he died?
  A. that         B. while         C. in which         D. then

Was it during the Second World War_____ he died?　　　　　　　

Was it during the Second World War_____ he died?　　　　　　　

A. that　　　 　    B. while　　         C. in which　　　      D. then　　　

74.Was it during the Second World War_____ he died?　　　　　　　

A. that　　　 　    B. while　　       C. in which　　　     D. then