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IfeveryonepourslesspollutedwaterintoDianchiLake,itwillbe.A.deeperanddeeperB.cleanerandcleanerC.dirtieranddirtierD.widerandwider

题目详情
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
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答案和解析
B