• 2021-04-14
    When I ________ less than eight hours of sleep, I feel tired all day.
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      What is TRUE of human sleep A: Most people need less sleep when grow older. B: Most people need seven and a half hours of sleep every night. C: On average, people in the U. S. today sleep less per night than they used to. D: For most people, less than six hours of sleep on a typical work night is enough.

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      If a person spends more than 3 hours a day on a mobile phone, then that person is likely to sleep less than 8 hours each night.[input=type:blank,size:4][/input]

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      I feel pretty tired after _______work . A: a whole day's B: a day C: one day D: day

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      When shall I call, in the morning or afternoon?- _____ . I’ll be in all day.

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      I have........(less free time now than, so less free time now as) I had when I was in high school.