Which sentence uses periods correctly?

a.
the us flag flew in front of the building on e. main st in the town square.

b.
the us flag flew in front of the building on e. main st. in the town square.

c.
the u. s. flag flew in front of the building on e main st in the town square.

d.
the u. s. flag flew in front of the building on e. main st. in the town square.

Ano po ba ang pamatnig ng pagpapatotooat mga halimbawa po nito

Escoger select the item that does not belong. la tiza la pluma la papelera la geografía el libro la economía la materia la especialización la librería la residencia estudiantil la casa la tarea la pizarra la especialización el mapa el semestre la contabilidad el español diagnostics_number_6 en la clase fill in the blanks with the appropriate form of estar. ¿dónde (1) nosotros en la clase

Have to have t to well an artist must also be