Now the pollution caused by the increasing number of cars______more and more ser

游客2024-06-22 18

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。

转载请注明原文地址:https://tihaiku.com/zcyy/3645082.html

相关试题推荐

随机试题

最新回复(0)

A—AirpollutionB—AirqualityC—AlternativeenergysourcesD—CarbonemissionsE—