Below, a passage is given with five blanks labelled (1)-(5). Below the passage, five options are given for each blank. Choose the word that fits each blank most appropriately in the context of the passage, and mark the corresponding answer. 

An astronomer was in the habit of going out every night to ­­­­___ (1) ___ the stars; but no sooner he was outdoors; he was totally ___ (2) ___ in the sights above him that he did not look where he was putting his feet, so once he fell into a hole in the ground. A passer-by heard his shouts and ran up to help him. ‘How do you hope to ___ (3) ___ what’s up in the sky,’ he said to the astronomer, ‘when you’re not even ___ (4) ___ of seeing what’s under your nose?’

‘Many men, while following their ___ (5) ___, show themselves incapable of facing up to reality.’ Be thoughtful and practical to face the real world.