Fill in the blanks with the correct form of the verb "to be" (am, is, are). Answer the questions at the end based on the sentences you read. Once you finished the activity, press the button below to continue. (Completa los espacios en blanco con la forma correcta del verbo "to be" (am, is, are).. Cuando termines la actividad, presiona el botón de abajo para continuar).