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
考查点：形容词比较级辨析。解题思路：根据句意：如果每个人少倒污水进滇池，那么滇池就会越来越干净。