单项选择题
Detroit owes its rapid growth and one time prosperity（）the automobile, and above all to Henry Ford.
A.at B.from C.to D.on
单项选择题 The music that Americans are used to（）to might sound strange to someone from another culture.
单项选择题 Throughout their history, Americans have been people（）the move.
单项选择题 Henry Ford was himself a（）mechanic and could build a car with his own hands.
