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 about' - Beat someone

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

'Knock off' - Reduce the price of something

'Knock off' - Steal

'Knock up' - Become or get someone pregnant.

'Knock off' - Finish work for the day

'Knock together' - Join houses that had been separate

'Knock it off!' - Stop doing something annoying

'Knock back' - Shock

'Knock down' - Demolish