B. The teacher should understand that Wind-Wolf is smart but comes from a different culture.
Explanation:
"An Indian Father's Plea" is a powerful letter written by lake to his son's teacher. His son, Wind-Wolf has been having trouble in school and has been labeled as a slow-learner. His father writes that Wind-Wolf is actually smarter than his peers, but has been brought up with different methods of learning. He is forced to conform to the Western ways of learning, even though they differ from what he was taught by his family. Troubles also arise becuase Wind-Wolf is being teased about his race and culture. With all of this in mind, Wind-Wolf's father pleads with his son's teacher to accept that Wind-Wolf has different customs and to encourage the diversity instead of the opposite.
The word that correctly completes the given sentence above would be driving. The complete sentence is: They will be driving to Chicago next week. The verb takes the -ing form, which is the simple future tense of the verb because the action indicates that it will be done some time in the future and is not yet started.