Correct Answer: D

Rationale: In this sentence, 'effect' is the correct word as it refers to the result of increasing bus fares. Additionally, 'than' is used for making comparisons, which is appropriate in this context. 'Affect' is incorrect as it is a verb, not a noun, and 'then' is incorrect as it should be 'than' to show the comparison between the actual outcome and the expected outcome.

Correct Answer: C

Rationale: The correct answer is C, misplaced modifier. In this sentence, the modifier 'Forgetting that he was supposed to meet his girlfriend for dinner' is placed incorrectly, suggesting that Anita forgot, when it was actually Fred who forgot. The modifier should be positioned closer to 'Fred' to clarify the intended meaning. Choices A, B, and D are incorrect. Parallelism is not an issue in this sentence, it is not a run-on sentence as it is grammatically correct, and there is no subject-verb agreement error present.

Correct Answer: D

Rationale: The correct answer is D, 'Noun phrase.' In the sentence 'New students should report to the student center,' the underlined portion 'new students' is a noun phrase functioning as the subject of the sentence. A dependent clause is a group of words with a subject and verb that does not express a complete thought, which is not the case here. An adverbial phrase modifies a verb, adjective, or adverb and typically answers questions like 'how,' 'when,' 'where,' or 'why,' which is not applicable in this context. An adjective clause is a group of words that describe a noun, but 'new students' in the sentence is not serving as a descriptive element of another noun; instead, it is the main subject.

Correct Answer: C

Rationale: The sentence is classified as complex because it contains one independent clause 'The restaurant is unconventional' and one dependent clause 'because it serves both Chicago-style pizza and New York-style pizza.' A simple sentence consists of just one independent clause, a compound sentence contains two or more independent clauses, and a compound-complex sentence has at least two independent clauses and one or more dependent clauses. In this sentence, the dependent clause 'because it serves both Chicago-style pizza and New York-style pizza' cannot stand alone as a complete sentence, making it a complex sentence structure.

Correct Answer: D

Rationale: The correct answer is 'D' because the phrase 'and played an instrumental role' provides a smoother transition between the two ideas. In this context, using 'and' helps to connect the two activities more effectively. Choice 'B' introduces a contrasting conjunction 'but,' which is not suitable in this context where the actions are related. Choice 'C' incorrectly separates the two actions into distinct sentences, affecting the flow and coherence of the paragraph. Therefore, 'D' is the best choice for combining the sentences for clarity and flow.