When "neither" is used in a sentence, "nor" should follow it, creating the structure "neither X nor Y," where X and Y are items formatted in the same manner. To correct the sentence, we need to change "and definitely not" to "nor." Several answer choices do this: "nor faithful to the original film," "nor were it faithful to the original film," and "nor was it faithful to the original film." "Nor were it faithful to the original film" and "nor was it faithful to the original film" might each look like potentially correct answers, but each introduces a verb that disrupts the parallel structure of "neither X nor Y," in which "nor" should be immediately followed by "faithful to the original film." The correct answer is thus "nor faithful to the original film," making the corrected sentence, "The remake of the film was neither enjoyable nor faithful to the original film."

Correlative conjunctions are used in specific pairs: "either" must be paired with "or" and "neither" must be paired with "nor" when you want to use them as correlative conjunctions. When using these correlative conjunctions, it is also important to remember to use parallel phrasing with each element that is being associated through the use of the conjunction.

The correlative conjunctions “neither” and “nor” belong together. In "neither . . . nor" sentences, the two options (“pleased with their poor work” and “willing to accept their rowdy behavior”) must be presented in a grammatically parallel way so that the words following “neither” and the words following “nor” are parallel phrases.

The correlative conjunctions “either” and “or” get paired together here. In "either . . . or" sentences, the two options being discussed (in this case, going to the toy store and going to the ice cream parlor) must be presented in a grammatically parallel way so that the words following “either” and the words following “or” are parallel phrases. In this case, “to the toy store” and “to the ice cream parlor” are the only options that are parallel; otherwise, you’re comparing apples and oranges.

The correct form for this sentence is "neither . . . nor." In addition, "neither . . .nor" leads to use of the singular form "is" rather than "are."

The correct correlative conjunction pair here is "neither/nor." No comma is needed. The other pairings listed are either mismatched or inappropriate. The correct correlative conjunction for "either" is "or."

Although the constituents in the list are a bit convoluted, this can be boiled down to a simple either A or B. A and B each have an "and," which can make the sentence seem more confusing, but, when simplified, it can be easier to tell that the sentence is describing a choice BETWEEN two options (both of which include two items and an "and"), so the "and" between "quizzes" and "one" needs to be replaced with "or."

The word “which” does not have an antecedent noun, and so the construction is incorrect in the two answer choices in which it is present. Similarly, in the sentence implementing “this,” there is no noun to which it refers. The final incorrect answer leaves the modifier “passing through the manifold” dangling too far from the noun to which the modifier refers.

The central issue here is the proper implementation of the correlative conjunction "neither...nor." The use of the preposition "of" and the conjunctions "or," "and," etc., appropriately resolve the issue. If anything, these other modifications result in unidiomatic phrases or awkward syntax.

The sentence as it is written constitutes a fragment, particularly thanks to the use of the subordinating conjunction "whenever" being used at the front of the sentence. The sentence can be made correct either by clearly differentiating the two phrases by using a comma or reversing the order of the phrases. The correct answer, which switches around the two phrases, is "The ecological devastation can be quite severe whenever it rains across an already flooded landscape."