What is the plural Uds. formal affirmative command for cepillar

Question 16 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. ella guitarra anoche. (tocar) answer for blank 1: question 17 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. yo mi abuela la semana pasada. (visitar) answer for blank 1: question 18 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. los señores la banda ayer. (escuchar) answer for blank 1: question 19 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. yo el supermercado la semana pasada. (trabajar) answer for blank 1: question 20 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. tú una falda roja. (llevar) answer for blank 1:

I'm stuck between soy, or estoy.which one is it?

Ive been trying to figure this out for a week now , you basically explain how to get to each place (bottom right) starting from starting point , pls i need 1-10 by monday