--- If there are ____ trees, the air will be cleaner.

--- I agree. Then there will be less pollution.


  1. A.
    much
  2. B.
    less
  3. C.
    fewer
  4. D.
    more
D
此題重點考查四個單詞的含義，根據(jù)語境可知要選擇比較級，故用more表示有更多的樹，空氣就會越清新。污染就會越少。
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