We can never expect _______ bluer sky unless we create _______ less polluted world. A. a; a B. a; t...
2023-02-14 03:13:57 90次 四川省成都七中09-10学年高二下学期期中考试 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
We can never expect
_______ bluer sky unless we create _______ less polluted world.
A. a; a B.
a; the C. the; a D.
the; the
本题链接：
