English

The word 'felicitous' means well-chosen or appropriate. Its antonym is 'inopportune,' which means not occurring at a suitable time. The other options do not relate to the meaning of 'felicitous.'

The word 'Grief' means deep sorrow or distress caused by loss. Among the options, 'Sorrow' is the synonym that best matches the meaning of 'Grief'.

The correct preposition to describe planes flying in formation relative to the fields below is 'over'. 'Over' indicates movement or position higher than something else, which fits the context of planes flying above fields.

The correct phrasal verb is 'turn down,' which means to reject or refuse. The sentence 'He will not turn down my respect' means he will not refuse or reject my respect, which fits the context. The other options do not form meaningful phrases in this context.

Option C correctly transforms the active sentence into passive voice by placing 'He' as the subject, followed by 'was asked a question by Mr. Jamal,' which properly indicates the agent with 'by.' The other options are grammatically incorrect or awkward.

The word 'negligent' means failing to take proper care or being careless. Therefore, the synonym 'careless' correctly matches the meaning of 'negligent'. The other options do not relate to the meaning of 'negligent'.

The word 'lugubrious' means looking or sounding sad and dismal. Its antonym is 'cheerful,' which means noticeably happy and optimistic, making option A correct.

In passive sentences, the verb is typically used in the third form (past participle) combined with a form of the verb 'to be'. This structure indicates that the subject is acted upon rather than performing the action.

The idiomatic phrase 'a month of Sundays' means a very long time, emphasizing an extended period that feels unusually lengthy.

The letters other than the vowels (a, e, i, o, u) are called consonants. This is a basic concept in English phonetics and vocabulary.