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

Quiz for Verb: 'To Spring'

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

'Spring on' - Surprise someone





'Spring back' - Return to original position after being bent, forced or when pressure is removed





'Spring up' - Appear suddenly





'Spring from' - Appear suddenly and unexpectedly





'Spring for' - Pay for, often generously





'Spring from' - Be the cause of something