Pick the answer which fills the gap/s using the best and clearest English.'Could you please tell me the way to Killarney?''Well, if I ... ... to Killarney, I ... ... start from here!'

A conditional sentence is based on the word 'if'. There are always two parts to a conditional sentence – one part beginning with 'if' to describe a possible situation, and the second part which describes the consequence. For example: If you work, I'll pay you.