(1m) Big cities have problems with crowded streets, congested traffic, noise and air pollution.. Every day, thousand of vehicles fill the street, especiallyduring rush hours.[r]
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(1m) Big cities have problems with crowded streets, congested traffic, noise and air pollution.. Every day, thousand of vehicles fill the street, especiallyduring rush hours.[r]
(1)Ngày đăng: 19/02/2021, 21:36
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