Paragraph 2________
A.Not doing enough B.A global problem C.Changing work practice D.A solution which is no solution E.Paying to get in F.Closing city centres to traffic
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阅读下文,回答题。Traffic Jams—No End in Sight1 Traffic congestion(拥堵
阅读下文,回答题。Traffic Jams—No End in Sight1 Traffic congestion(拥堵)affects people th