单选题______ has been done to stop pollution caused by traffic.ALotBMuchCFewDNone
单选题
______ has been done to stop pollution caused by traffic.
A
Lot
B
Much
C
Few
D
None
参考解析
解析：
句意：为防止交通给环境带来污染，我们已经采取了很多措施。much在这里用作“代名词”作句子主语。
句意：为防止交通给环境带来污染，我们已经采取了很多措施。much在这里用作“代名词”作句子主语。
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