Set 15: Form, Structure & Sense (Intermediate)
Explanation
PASSAGE
Recent studies show that each of the planets in our solar system _______ unique characteristics that distinguish it from the others.
Which choice completes the text so that it conforms to the conventions of Standard English?
Detailed Answer Explanation
[Variation 1] This question tests your understanding of sentence function and text organization. 'Each' is singular and takes a singular verb. The prepositional phrase 'of the planets' doesn't change the subject's number; 'has' is correct. Each sentence in a well-constructed text serves a specific purpose. Consider what role this sentence plays in the argument: does it introduce, support, contrast, or conclude an idea? Understanding why an author includes specific sentences helps you grasp the overall argument. Each sentence should serve a clear purpose: introducing ideas, providing evidence, acknowledging counterarguments, or drawing conclusions. Identify the role to understand the structure.
Key Evidence:
• "Each of the planets"
• "unique characteristics"
Why others are wrong: B ('Are having' is plural and uses progressive aspect unnecessarily.), A ('Have' is plural; 'each' is singular.), D ('Having' is a participle, not a main verb.).
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