Regarding the use of articles, prepositions, connectors, and adverbs in English, analyz...

Regarding the use of articles, prepositions, connectors, and adverbs in English, analyze the statements below and select the CORRECT alternative.
I. The definite article "the" is used with both countable and uncountable nouns whenever the noun is specific in context.
II. Prepositions such as "in," "on," and "at" follow strict and unchanging rules for use with expressions of time and place.
III. Connectors like "however" and "nevertheless" introduce contrasting ideas but differ in their degree of formality and intensity.
IV. Adverbs in English often end in "-ly" and can modify verbs, adjectives, or even other adverbs, depending on the context.