Where can I find the answer key to fortress on wheels

In this unit ,we learned about arguments and rhetoric. in an argument we ,not informal language.

Stress generally occurs when someone? a. becomes overconfident b. disregards others c. feels overwhelmed

Question 1 translate: i have to eat. question 2 translate: one must study. question 3 to make a good grade, one must pay attention. para sacar una buena nota, prestar atención. question 4 to make money, one must work. para ganar dinero, trabajar. question 5 translate: maria has to talk.