Without adequate amounts of sleep, people's newly acquired skills and also new factual information may not get properly encoded into their memory circuits. A. Without adequate amounts of sleep, people's newly acquired skills and also B. Without the adequate amount of sleep they need, people's newly acquired skills and even C. If they do not have adequate amounts of sleep, people's newly acquired skills and even D. If people do not get adequate amounts of sleep, newly acquired skills and even E. If people do not get the adequate amount of sleep they need, newly acquired skills and also Pls clarify the usage of "amounts of sleep" ? Is sleep a countable or uncountable noun here?

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Sentence Correction (SC - EA only)

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Without adequate amounts of sleep, people's newly acquired skills and

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GMATNinja

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28 Dec 2023, 10:23

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Hey ScottTargetTestPrep in your course on verbal, you have mentioned that we can use the pronoun to refer back to a possessive nouns. Here, GMATNinja is saying that we cannot refer a pronoun back to a possessive noun. Any comment here to clarify on the same?

We've spilled a lot of ink on this issue over the years. Based on the official questions that were available quite a few years ago, our understanding was that a non-possessive pronoun couldn't refer back to a possessive noun. As more questions were released, we realized that this "rule" isn't a thing at all, and we've mentioned our error in quite a few places, including in this video on pronouns. (It's not the main focus of the video, but it's integrated explicitly into the main punchlines.)

In other words: TTP has it right here, and our old posts are mistaken. Our error is the reason why we asked GMAC to remove SC from the new version of the GMAT.