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Difficulty: MediumEliminating Redundancy

To understand the migration patterns of monarch butterflies, scientists track the insects' movements using lightweight radio transmitters. The research team collaborated together in joint cooperation to map the specific routes across North America.

Which of the following options, when substituted for the underlined portion, makes the sentence grammatically correct and free of unnecessary redundancy?

  1. A
    NO CHANGE
  2. B
    collaborated, they worked together
  3. collaboratedAnswer
  4. D
    collaborated. Because they worked

Answer

collaborated
The correct choice is the single word 'collaborated'. It successfully communicates that the research team worked together without using repetitive synonyms like 'together' or 'joint cooperation'. In English, 'collaborate' inherently means to work together, making any additional words expressing collaboration redundant.

Step-by-Step Solution

1
Identify the underlined portion and analyze it for redundant phrasing.
The phrase 'collaborated together in joint cooperation' is identified as containing multiple words with identical meanings ('collaborated', 'together', 'joint', 'cooperation').
Eliminating redundant words is necessary to make the sentence concise and clear, which is a primary focus of ACT English.
2
Evaluate the choices to find the one that is grammatically correct and removes all redundant elements.
The single word 'collaborated' conveys the full intended meaning without any repetition.
Choosing the most concise, grammatically correct option ensures the sentence is clear and direct.

Key Concept

Eliminating Redundancy
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Topics

Eliminating Redundancy

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