高等继续教育 / 大学英语II
正确率:100%
题型描述: 单选题
The argument remained heated ______ there are necessary conditions of existence such as water on the Moon.
A.if
B.about which
C.whether
D.that
The argument remained heated ______ there are necessary conditions of existence such as water on the Moon.
A.if
B.about which
C.whether
D.that
参考答案:
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