SHEBOYGAN COUNTY – Four county teams were in action in Thursday’s WIAA sectional semifinals, and all four are still standing after the Howards Grove girls volleyball team and the Plymouth, Oostburg and Sheboygan Christian-Sheboygan Lutheran boys soccer teams all won their matchups to advance to Saturday’s sectional finals. With wins on Saturday, the teams will advance to the WIAA state tournament in their respective sports. One thing is guaranteed, though. The county will have at least one boys soccer team at state, as arch rivals Oostburg and Sheboygan Christian-Sheboygan Lutheran will face off in Saturday’s Division 4 Sectional Final at…