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
B
ones代替 health problems;one表单数(泛指),不合题意;it表单数(特指);those为指示代词,前不可再用修饰成分。
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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
B
ones代替 health problems;one表单数(泛指),不合题意;it表单数(特指);those为指示代词,前不可再用修饰成分。