Such is         human nature that many people don’t value       things they possess until they’re lost them.

         A．不填；不填       B．不填；the          C．the;不填    D．a; the

Such is         human nature that many people don’t value         things they possess until they’ve lost them .

1. A.
   不填；不填
2. B.
   不填;the
3. C.
   the; 不填
4. D.
   a; the

Such is         human nature that many people don’t value         things they possess until they’ve lost them .

       A．不填；不填     B．不填;the   C．the; 不填 D．a; the

Such is         human nature that many people don’t value       things they possess until they’re lost them.

       A．不填；不填     B．不填；the C．the;不填   D．a; the