They get up at seven in the morning.(改为否定句)

They get up at seven in the morning.(改为否定句)
They get up at seven in the morning.(改为否定句)

They get up at seven in the morning.(改为否定句)
They do not get up at seven in the morning.

they don't get up until at seven in the moring

They don't get up at seven in the morning.
或 They do not get up at seven in the morning.