The tissues of the human body are constantly moistened by a briny solution thought to be of about the same salinity as the primorkial sea from which life emerged.
(B) of as about the same salinity like the primordial sea out of which
(C) to be about the same salinity as the primordial sea from where
(D) of as about the same salinity as the primordial sea from where
(E) to be of about the same salinity like the primordial sea from which
in choice A, could we omit "to be" ? and why, 求教了! thanks... |