Cars do cause us some health problems—in fact far more serious than mobile phones do.A. o

发布时间：2020-08-16 16:58:15

Cars do cause us some health problems—in fact far more serious      than mobile phones do.
A. one
B. ones
C. it
D. those

网友回答

A. one
(答案→)B. ones
C. it
D. those
解析：代词用法考查题ones代指可数名词复数在本题中为避免重复指代problems。 汽车确实给我们带来严重健康问题，实际上超过了手机带来的问题。
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