单项选择题
The music that Americans are used to（）to might sound strange to someone from another culture.
A.listen B.be listened C.listening D.listened
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.
单项选择题 Jack never showed（）at the cinema, although I waited over an hour.
