Is 'To Knock' Separable or Inseparable? - Phrasal Verb Quiz

Quiz for Verb: 'To Knock'

Is the phrasal verb 'To Knock' separable or inseparable in the following examples?

'Knock together' - Join houses that had been separate

'Knock out' - Sell, distribute

'Knock off' - Reduce the time required to do something

'Knock it off!' - Stop doing something annoying

'Knock about' - Beat someone

'Knock out' - Hit and make somebody unconscious

'Knock back' - Cost someone a lot of money

'Knock off' - Produce or create something quickly

'Knock over' - Rob

'Knock up' - Play a bit before a match to get ready