Điền vào chỗ trống the 1st May is the day of International Solidarity of the world 's working people in the struggle for peace,democracy and socialism.millions of people in(1)................countries celebrate may day by holiday demonstrations. The ma Day marches(2)....................solidarity with the fighting people ò Africa, Asia and latin America, with all of patriots and democrats in the world, all of those(3)......struggle for peace and(4)...........progress,for(5).....independence and freedom.For the first time , in 1890, hundreds of thousands of workers in Europe and America celebrated May day by holiday demonstrations under the(6)...............of"workers of the world,unite!", and called(7).....an eight hour working day.They(8).................the end to the terribly long hours that they had been celebrated every year(9).......an(10)......holiday of the working class. Giúp mik vs mik cần gấp :)