people lift the chair up and down on time for ea

People go up and down in the lift = People go up and down __ The naughty gives the lift to go up and down all the time. she goes up and down the building by lift she goes up and down the building ___?A：in lift B：by a lift All the chinese people jumped up and down cheering 377.People usually go up and down the tall buildings_____the moving up and down in time with the terrain Sit down on the chair.是什么意思 The car went up and down on the r____road off and on、for up to、during the period、over time造句 hurry up, and you'll be on time for the party.的同义句? the people sitting on the chair