In this question there are few sentences. Identify the part of speech of the underlined words. Choose the response (a), (b), (c) or (d) which is the most appropriate expression.

The son writes meaningless letters to his father.

P – would telephone himQ – as soon as IR – if I reach homeS…

P – regarded the papayaQ – because of its abilityR – to keep them healthyS…

P – migratory birdsQ – without ever getting lostR – always manage to find their…

P – agreed withQ – the manner in which you said itR – but we…

P – for a manQ – when he accompanies a ladyR – an accepted customS…