（1）What's Sam's trouble？
A.He can't sleep well.
B.He dislikes his neighbors.
C.He can't keep a pet dog.
（2）What causes Sam's problem？
A.His neighbors always fight at night.
B.His parents always argue with each other.
C.His neighbor's dogs are noisy at night.
（3）What will Sam possibly do to solve the problem？
A.He will call the police.
B.He will talk with his neighbors.
C.He will close his windows at night.