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Now the pollution caused by the increasing number of cars______more and more ser
Now the pollution caused by the increasing number of cars______more and more ser
游客
2024-06-22
2
管理
问题
Now the pollution caused by the increasing number of cars______more and more serious in many cities.
选项
A、become
B、became
C、is becoming
D、had become
答案
C
解析
题干中的Now一词提示本句应使用现在时态;分析句子成分可知,主语是the pollution,故空格处应填入动词的第三人称单数形式作谓语,所以选项C)为本题的正确答案。
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