Cars do cause us some health problems—in fact far more serious ________ than mobile phones do. A. on...
2023-02-01 21:54:52 207次 2013届黑龙江省高一下学期第一次月考英语卷 单选选择 反馈错误 加入收藏 正确率 : 100%
题目内容：
Cars do cause us some health problems—in fact far more
serious ________ than mobile phones do.
A. one B.
ones C.
it D.
those
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