Ser and estar both mean “to be”. Ser is used to talk about WHAT something is. This includes date, occupation, characteristics, time, origin, and relationship. Estar is used to talk about HOW something is. This includes position, location, action, condition, and emotion.
Examples of ser:
-Yo soy alta.
-Ella es inteligente.
Examples of estar:
-El está triste.
-Estoy mirando la tele.
Answer:
Spanish artist Pablo Picasso's monumental anti-war mural Guernica is received by Spain after four decades of refugee existence on September 10, 1981. One of Picasso's most important works, the painting was inspired by the destruction of the Basque town of Guernica by the Nazi air force during the Spanish Civil War.
Explanation:
Translating the sentence, we get something along the lines of Raul ____ the pen to write. There's one word we can see falls into the blank, and that's used. Now all wee need to do is translate used into Spanish. One way to say used in Spanish is usado, so usado is the word that best completes the sentence.
I love you in spanish is te amo