Read the passage. "Maybe," he [Tommy) said, nonchalantly. He walked away whistling, the dusty old book tucked beneath his arm. Margie went into the schoolroom. It
was right next to her bedroom, and the mechanical teacher was on and waiting for her.
Which of the following words uses ch to spell the sh sound?
A nonchalant
B. teacher
C. mechanical
D. all of the above