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1.£¨2010·»Æ¸ÔÖп¼£©—David has been away for more than 25 days.

  --I miss him very much.You know ,25 days _______short.

A.is                            B.isn’t                          C.are                     D.aren’t

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2.£¨2010·Ê®ÑßÖп¼£©Climbing hills _________of great help to our health.

A.was                            B.were                  C.is                       D.are

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