Does anyone know the answers to these?

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:

Need with this match the pronoun with the sentence it belongs to: )

Manuel: ¿ustedes estudiaron economía en la universidad? elena: no. yo literatura, y rafael filologia. a. estudiaron, estudié b. estudiamos, estudió c. estudié, estudió d. estudiamos, estudié