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Read the following passage, which contains some underlined or numbered words or phrases. Each of the answer choices contains alternatives for the underlines; choose the one that fits best grammatically or stylistically. If you think the original is the best answer, choose Choice ‘A’, or NO CHANGE.

Questions about specific parts of the passage or about the passage as a whole are identified by numbers only, not underlines. These will be associated with specific questions.

Killer Robots

Created for September 2014

A Human Rights Watch report, published in 2012, identifies several weapons systems that are currently remotely operated, (5) but have being given more autonomous functions.




but had given more autonomous functions.


but had been given more autonomous functions.


but have been given more autonomous functions.

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