Final answer:
The figurative language technique that best fits with the sentence is a metaphor.
Step-by-step explanation:
The figurative language technique that best fits with the sentence "Liza's high heels were killing her as she walked down the hallway" is a metaphor. A metaphor is a figure of speech in which a word or phrase is applied to an object or action to which it is not literally applicable. In this sentence, the use of the phrase "were killing her" implies that Liza's high heels are causing her extreme discomfort or pain.
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