If Rod mimicked his host, he either must not have known etiquette or must have been ignorant of its finer points.
Serenity means calm. (You probably know the word serene. Serenity
is its noun form. The suffix '-ity' turns a word into a noun.) Ambience
is an atmosphere or the feel of a place.
A & E Incorrect.
C.Incorrect.Ennui is boredom. boredome is not a mood.
D.Incorrect.Melancholy is depression; it is a negative word.
Tranquility and calm are positives.
A, B & C Incorrect. The words poor, upset, and ill
have no relation to the cause of the creator's sophistication.
E. Incorrect.Impotent means not potent, not powerful.
Though one may be a veteran, one may not have seen every type of demonstrations.
The positive attitude towards the medication suggests that the first blank must be positive. Salutary means healthy, helpful. Reiterated means repeated, said again.
A, C & D Incorrect. Minimal and frantic are negative
words. "Supplimentary" implys other medication was taken
B. Incorrect. The second word fits but the first word does not. Noxious means poisonous, harmful.
Ambiguous means unclear, capable of being interpreted in two or more ways. Literally it means "full of both" (ambi = both; -ous = full of). A veneer is a surface layer, something superficial.
A & D. Incorrect. Inarticulate and inappropriate
responses would show no knowladge.
B. Incorrect. Garbled means distorted, jumbled.
C. Incorrect. It might work except for the second blank. An elegant
response would not imply a lack of knowladge. The second word needs
to be a positive; "lack" is negative.
Incoherent means not clear, not lucid. If Fitzwilliam is confused, he is inconsistent, unclear or incoherent. Oblivious means unaware of. The speaker was clueless that his audience was restless.