In that case we might look at "the Saturday afternoon" or "the Friday night", by having an implicit "in the party". Consistent with what Kyle said, we could only say "on" Using these, not "in".As for the final illustration, "rid of this terrible cold," I come across "rid" to work much better

Qualities of a very good NDIS AuditorThe Countrywide Disability Insurance plan Plan (NDIS) plays an important position in guaranteeing that individuals with disabilities get excellent support and services. To take care of significant benchmarks within the scheme, NDIS auditors are accountable fo