Dime el infinitivo, el participio y el gerundio

How would you express the following question in english? : ¿cuántos libros hay? a. there are so many books. c. how many books are there? b. how much are the book? d. are the books many?

1. completa la oración con la voz pasiva. the book was written by cervantes. el libro por cervantes 2. completa la oración con la voz pasiva con ser. the tall building was designed by the architect. el edificio alto por el arquitecto. 3. completa la oración con la voz pasiva con ser. the cookies were eaten by the children. las galletas por los niños. 4. completa la oración con la voz pasiva con se. the cake was eaten. la torta. 5. completa la oración con la voz pasiva con se. used cars for sale. carros usados.

The exchange rate is 156 pesos for 1 us dollar. it costs 10,218 pesos to check an extra piece of luggage on the plane. you have $65 us dollars. which of the scenarios below best reflects your ability to check your extra piece of luggage? a. whew! you have just enough! b. oh no, you will have to leave your extra piece of luggage behind! c. you have enough to check your extra piece of luggage and buy a coffee for the flight. d. if you can scramble to find some spare change in your pocket, you can check your extra piece of luggage.