1. B C D A E 2. 1) by bus 2) by train 3) on foot by bike 2 1. C A B F D E 3. on foot by bus by bike 3 1. on foot by bike by bus by train / by car… 2. 1) B 2) A 3) A 4) B 4 3. traffic lights traffic rules stop wait go traffic ru..。
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