They’re correct, despertémoslos means let’s wake them up and despertémonos means let’s wake up.
Don’t touch the link they are so annoying i js want to ban
A las 8:00 Vamos a la biblioteca.
A las 9:00 van a la clase.
A las 11:00 van al gimnasio.
A las 2:00 vas a la cafetería.
There’s so many but the last option seems right