No se lo que quieres decir
Hello there,
#1- He has to research a historical character
#2- His scanner doesn't work
#3- He can't remember it
#4- True
#5- False
Hope this helped, and if you have any more question please feel free to ask me.
Que tengas un buen dia!
The answer is B. Usted está cansada. No prepare el postre ahora.