There will no longer be the use for cars and roads as we‘ll be piloting (51)______ friendly personal vehicles between cities and under the seasĐoạn văn6/65There will no longer be the use for cars and roads as we‘ll be piloting (51)______ friendly personal vehicles between cities and under the seasenvironmentenvironmentalenvironmentallyenvironmentalistGiải thíchĐáp án đúng là c