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What is the yo form of this verb? (cepillarse)

Which of the following is a word borrowed from the english language and used in the spanish language? the sauce the hamburger the tortilla the piñata

__ hermanas van al gimnasio todos los días. mis nuestra mi su

Answer the following questions using 6 to 8 complete spanish sentences. what is your opinion of bullfighting? if you were in mexico or spain, would you attend a bullfight? why or why not? are you aware of any controversial traditions in your culture? how is that tradition similar to or different from the tradition of bullfighting?