We spend about one-third of our lives sleeping. We know relatively little about sleep.
A.We know relatively little about sleep; as a result, we spend about one-third of our lives sleeping.
B.We shall know more about sleep if we spend more than one-third of our lives sleeping.
C.Despite spending about one-third of our lives sleeping, we know relatively little about sleep.
D.We spend about one-third of our lives sleeping so that we know relatively little about sleep.
A.We know relatively little about sleep; as a result, we spend about one-third of our lives sleeping.
B.We shall know more about sleep if we spend more than one-third of our lives sleeping.
C.Despite spending about one-third of our lives sleeping, we know relatively little about sleep.
D.We spend about one-third of our lives sleeping so that we know relatively little about sleep.
Loga
Hóa Học lớp 12
