题目内容
() 15. If everyone pours less polluted water into Dian- chi Lake,it will be .
A. deeper and deeper
B. cleaner and cleaner
C. dirtier and dirtier
D. wider and wider
15. B
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题目内容
() 15. If everyone pours less polluted water into Dian- chi Lake,it will be .
A. deeper and deeper
B. cleaner and cleaner
C. dirtier and dirtier
D. wider and wider