【单选题】Five hours of sleep ______ not enough.
【单选题】Five hours of sleep _____ not enough.
【简答题】Ninety-five percent of Americans sleep seven to eight hours a night. The rest seem to need more than nine hours, or get along nicely on less【1】six. What distinguishes the long and short sleepers...
【简答题】People who averaged fewer than seven hours of sleep per night in the weeks before being exposed to the cold virus were nearly three times as likely to get sick as those who averaged eight hours or mor...
【单选题】How many hours of sleep does the woman usually get?
【简答题】改错。要求和上题一样。 Five hours of sleep are not enough.
【简答题】Five hours of sleep are not enough.
【单选题】Sleep: Jerry gets hours of sleep a night. Sometimes he can sleep for a week and then not sleep for two or three or four days.