Directions : In each of the given question two blanks are given and with…

Concept

In a two-blank, two-column completion, each blank must be filled by a word that is both grammatically the right part of speech for its slot AND semantically consistent with the surrounding clause. The first blank needs an adjective describing temperament (it sits in 'reserved and somewhat ___'); the second blank needs a NOUN naming a type of person, because it is paired with another noun in 'a strange mixture of ___ and monk'.

Application

Reading the sentence: 'Personally, Daniel was reserved and somewhat ___, preserving in his habits a strange mixture of ___ and monk.'

First blank ('reserved and somewhat ___'): the adjective must reinforce a withdrawn, severe temperament. 'austere' means stern, plain and self-disciplined, which sits naturally beside 'reserved'.

Second blank ('a strange mixture of ___ and monk'): the slot is parallel to the noun 'monk', so it must itself be a noun naming a kind of person. 'bourgeois' (a conventional, worldly member of the middle class) is a noun and forms a vivid contrast with the ascetic 'monk' — exactly the 'strange mixture' the sentence describes.

So the pair is austere (first blank) and bourgeois (second blank).

Cross-check / Contrast

• 'treacherous' (disloyal, dangerous) does not describe a 'reserved' temperament and clashes with the gentle, withdrawn portrait.

• 'taut' means physically tight or tense; it describes a rope or a face, not a person's settled character, so it misfires in the first blank.

• 'eerie' (strange, uncanny) is an adjective, not a noun, so it cannot stand parallel to 'monk' in 'a mixture of ___ and monk'.

• 'perverse' (deliberately contrary) is likewise an adjective and a moral judgement; it neither names a type of person nor pairs idiomatically with 'monk'.

Only one combination satisfies both the grammar of the second slot (a noun) and the meaning of the whole sentence: austere + bourgeois.