Es increíble qué _ duendes

Haya visto
Vio
Viste
Ha visto

Can somebody me out with this spanish question? completa la oración con la voz pasiva con se. used cars for sale. carros usados. (the answer is not usa los or venta de)

Question 1 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. yo a leer el libro ayer. (empezar) answer for blank 1: question 2 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. ellos a trabajar. (empezar) answer for blank 1: question 3 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo empiezo answer for blank 1: question 4 (fill-in-the-blank worth 1 points) fill the blank with the preterite tense of the verb in parentheses. yo buena nota. (sacar) answer for blank 1: question 5 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo busco answer for blank 1:

You have been chosen to be the guide of an exchange student from costa rica. before the student arrives in the us, he has asked you to give him some tips about schools in our country. using 10 different commands, create a presentation in which you give him tips for being successful in us schools. your presentation should include 5 affirmative and 5 negative commands in the tú form. examples: study many hours, don’t sleep in class, etc. to create your presentation, you may use powerpoint, or one of the tools listed in the web 2.0 tools area (contact your instructor if you need ).