摘要： The air in Beijing is getting much now than a few years ago. A. clean B. cleaner C. the cleanest D. cleanest
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The air in Beijing is getting much ______ now than a few years ago.
A. clean B. cleaner C. cleanest D. the cleanest
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The air in Beijing is getting much ______ now than a few years ago.
A. clean B. cleaner C. cleanest D. the cleanest
查看习题详情和答案>>
The air in Beijing is getting much ______ now than a few years ago.
[ ]
A. clean
B. cleaner
C. cleanest
D. the clcanest
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B. cleaner
C. cleanest
D. the clcanest