Air pollution is becoming than ever before, so many families prefer to buy electric cars。 A. serious...
2022-11-02 12:00:52 64次 上海市嘉定区2018届九年级一模英语试卷（含答案） 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Air pollution is becoming than ever before, so many families prefer to buy electric cars。
A. serious B. more serious
C. more seriously D. the most seriously
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