【单选题】
Because fuel supplies are finite and many people are wasteful, we will have to install ______ solar heating device in our home.
A、some type of
B、some types of a
C、some type of a
D、some types of
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根据网考网移动考试中心的统计,该试题:
68%的考友选择了A选项
25%的考友选择了B选项
3%的考友选择了C选项
4%的考友选择了D选项