高等继续教育 / 大学英语I
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.about which
B.whether
C.that
D.if
The argument remained heated ______ there are necessary conditions of existence such as water on the Moon.
A.about which
B.whether
C.that
D.if
参考答案: