Difficulty: Easy
Correct Answer: No error
Explanation:
Introduction / Context:This sentence tests parallel structure and correct prepositional phrasing with “based on,” as well as agreement between a complex noun phrase and its complement.
Given Data / Assumptions:
Concept / Approach:“System of assigning” takes a prepositional complement beginning with “based on.” The phrase “their strengths and weaknesses” is a balanced, plural compound matching “different jobs to different people.”
Step-by-Step Solution:
Step 1: Check subject and complement: “system … should be based on …” is idiomatic.Step 2: Verify parallelism: “strengths and weaknesses” is a natural pair.Step 3: Ensure prepositional choice: “based on” is standard usage.Verification / Alternative check:Replace with a synonymous structure: “should rely on their strengths and weaknesses.” The meaning remains coherent, confirming correctness.
Why Other Options Are Wrong:
Common Pitfalls:Some learners suspect “based on” as a dangling modifier. Here, it clearly links to “system,” so there is no dangling issue. Likewise, “their” refers back to “different people.”
Final Answer:E) No error
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