The problem of air pollution is becoming more serious ______ the increasing number of cars. A. as fo...
2023-01-23 21:57:11 75次 2010年黑龙江省高一上学期期中考试英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The
problem of air pollution is becoming more serious ______ the increasing number
of cars.
A.
as for B.
because C.
as a result D. as a
result of
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