问题
选择题
If everyone pours less polluted water into Dianchi Lake, it will be _______. [ ]
A. deeper and deeper
B. cleaner and cleaner
C. dirtier and dirtier
D. wider and wider
答案
答案：B
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If everyone pours less polluted water into Dianchi Lake, it will be _______. [ ]
A. deeper and deeper
B. cleaner and cleaner
C. dirtier and dirtier
D. wider and wider
答案：B