(单选题)17: The two elements ____________water is made are the oxygen and hydrogen.
A: that
B: which
C: of whichof which
D: with which
(责任编辑:admin) |
(单选题)17: The two elements ____________water is made are the oxygen and hydrogen.
A: that
B: which
C: of whichof which
D: with which
(责任编辑:admin) |