Now the air pollution in this city ______ more and more serious with each passin

游客2023-09-25  18

问题 Now the air pollution in this city ______ more and more serious with each passing day.

选项 A、to become
B、became
C、becoming
D、is becoming

答案 D

解析 本题考查句子谓语动词的使用。通过分析句子成分可发现空白处应为该句的谓语动词,在四个选项中,选项B和选项D都可做谓语。根据句子开头的Now可以判断,本句谓语的时态应该是现在时。可以看出,选项B是一般过去时,则在时态上不符合题目的要求,而选项D是现在进行时,故本题应选D。
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