Change the verb from the present to the preterite: dan O A. di
O B. da
O C. diste
O D. dieron

Cancer es una de las enfermedades mas comunes en el munde que no tiene curación. poreso muchos sientificos han intentafo años para curar. cancer se puede crear con radiacion o una mutuacion el una celula. poreso los humanos son mad comunes de tener cancer, por las celulas.

Ou will hear a story in spanish. it’s rather lengthy. as you listen to the story, take notes on scrap paper.listen a second time, and as you listen, make your notes more complete. in english, summarize thestory in a composition of between ten and twenty sentences. print or type the final version of your summaryin the appropriate location on the answer sheet provided at the back of this study unit. do not sendany scrap paper or notes to the school