English

The idiom "plough a lonely furrow" means to do something independently without assistance, which aligns best with option B, "do without the help of others."

A 'Charlatan' is a person who pretends to have more knowledge or skill than they actually possess, making option D the correct answer. The other options do not fit this definition.

The word 'canny' means shrewd, clever, or astute, so the synonym 'Clever' is the correct choice. The other options do not match the meaning of 'canny'.

The sentence requires reported speech with correct tense agreement. 'He exclaimed with shock that it was a tragic accident' is grammatically correct, using past tense 'was' to match the past reporting verb 'exclaimed'. Option A is incorrect because 'very tragic accident' is less natural and redundant. Option D lacks 'that', which is needed for clarity in reported speech.

The word 'prolix' is an adjective meaning tediously prolonged or using more words than necessary, often resulting in long-winded or verbose speech or writing. While 'prolix' itself is not a verb, the closest option among those given is 'To Prolong' (B), which means to extend in duration or length. This relates conceptually to the idea of something being lengthy or extended, which aligns with the meaning of 'prolix'. The other options do not relate to length or verbosity. Therefore, 'To Prolong' is the best available synonym in the given choices, though it is important to note that 'prolix' is an adjective and 'to prolong' is a verb.

The correct preposition to use with 'abide' in this context is 'by', as in 'abide by the referee’s decision', meaning to accept and follow the decision.

A 'misologist' is someone who hates knowledge or learning. The other options do not fit this meaning: a 'bibliophile' loves books, a 'philologist' studies language, and a 'misogynist' hates women.

The word 'pedigree' refers to a record of ancestry or lineage, making 'Lineage' the correct synonym among the options provided.

The word 'cascade' means a small waterfall or a series of small waterfalls, which matches option B. The other options do not relate to the meaning of 'cascade'.

Option B, 'it is rather a good film,' is the most grammatically correct and natural-sounding choice. The phrase 'rather a good film' correctly uses 'rather' as an adverb modifying 'good film.' Other options are either ungrammatical or awkward.