Answer:
All three are correct!
Explanation:
Did you just want to make sure they were right?
Hay que sacudir los muebles de la sala this means we have to shake off the furniture of the room
Hope this helps
I'm gonna write in the correct form the ones wrong and leave a blank the right ones.
1. _
2. _
3. _
4. _
5. Acuéstate temprano
6. Llega a tiempo (I guess you meant arrive in time?)
7. No abandones la escuela (I guess you meant don't quit school?)
8. Pon atención en clase (it can also be: "PRESTA atención en clase" the r in presta converted it in infinitive)
9. No dejes tu tarea en casa
10. No duermas en clase (No dormir is also infinitive)