A bath at【C14】______, neither hot nor cold but of body temperature,
A. any time
B. bed time
C. midnight
D. lunch time
but【C3】______eight hours is enough for the health of grown-ups.
A. seldom
B. sometimes
C. always
D. generally
the avoidance of late eating and【C12】______are all helpful to sound sleep
A. worry
B. fear
C. carelessness
D. hard work
It is then a matter of how to【C5】______it.
A. help
B. satisfy
C. demand
D. take
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