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

Quiz for Verb: 'To Drop'

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

'Drop out' - Quit a course

'Drop by' - Pay a brief visit

'Drop through' - Come to nothing, produce no results

'Drop behind' - Move towards the back, not keep up

'Drop over' - Visit for a short time

'Drop off' - Fall asleep

'Drop around' - Visit someone, often without making an arrangement

'Drop in' - Visit without having made arrangements

'Drop round' - Deliver

'Drop someone in it' - Get someone into trouble