sentences:  On January 31, 1970, the city opened the Potomac Job Corps Center east of D.C.Village.In the fall of 1970, the Madeline V. Leckie Elementary School opened at the old Patterson Elementary site on Martin Luther King, Jr. Avenue SW.
  
  Bellevue lost most of its retail business in the 1980s, when an sharp rise in the use of crack cocaine in the city led to soaring crime rate.