We must stand in line.改为祈使句

We must stand in line.改为祈使句 You must stand in line when you're waiting for a bus.改为祈使句 You must stand in line to wait for a bus[改成祈使句] you must stand in line to wait for the bus变祈使句 Should we stand in line. The boys and girls stand in a line.(改为祈使句） when.wait for.we.a bus.we.stand in a line.must 连词成句 You must stsnd in line to wait for the bus改为祈使句 you must stand in line to wait for the bus stand in line造句、 Stand in line!是什么意思 Please stand in line!