－How about the pollution in the countryside? －Luckily, it's not as serious as _______ in the big cit...
2023-02-28 21:46:20 180次 20102011学年度山东省滨州市八年级下学期期末考试英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
－How about the pollution in the
countryside?
－Luckily, it's not as serious as _______
in the big cities.
A.
that B.
it C. one
D. those
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