Which sentence does not use parallel structure correctly?. We neither had the money for a taxi nor were exactly sure where we we
re? a. We had neither the money for a taxi nor a good idea of exactly where we were. b. We neither had the money for a taxi nor knew exactly where we were. c. We had neither the money for a taxi nor were we exactly sure where we were.
The answer is C. In this sentence there is no parallel structure, as the first part is "neither the money" which is a noun and in the second part "nor were we" is a verb instead of a noun, which you would need for it to be parallel.
The correct answer is, "They do not have to combine with an introduction to make a complete sentence."
Quotations cannot stand alone as a complete sentence. They have to be combined with some sort of introduction. Using a quote without an introduction causes the writing to sound disjointed to the reader.