问题
单项选择题
The two elements______water is made are the gases of oxygen and hydrogen.
A．that
B．which
C．of which
D．with which
答案
参考答案：C
解析：此句为介词提前的定语从句。
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The two elements______water is made are the gases of oxygen and hydrogen.
A．that
B．which
C．of which
D．with which
参考答案：C
解析：此句为介词提前的定语从句。