Question

Me puden ayudar? Necesito saber si va might, can't o must en estas frases:
He is always very tired. He .... be working a lot recently.
He is very poor. He .... be driving a new car.
She .... be Mary's daughter, but I'm not sure.
That ..... be the main entrance. Everybody is going through it.
You ...... be bored already!! We have only been here for five minutes!!

Answer 1

1.- Might
2.-Can’t
3.-Might
4.-Must
5.-Can’t