I'm pretty sure you would put "Leo" in the blank space because the verb "leer" means to read and the sentence prior to the blank space says "the magazine 'Cosas (or Things)' is my favorite. I read it every month. Hope this helps!
It would be; Buenas tardes, Maestra!
Which in English it means; Good afternoon, Teacher!
Hope that helps too :D
Answer:
2. Ella tiene un viaje a Alaska en diciembre
3. is incorrect
It is ellos tienen hambre
4. Yo tengo un viaje a Arizona en julio
5. Nosotros tenemos clase
Explanation: