听材料，回答问题。
（1）Who is not tidy？
A.Helen.
B.John.
C.John's brother.
（2）Where is John's jacket？
A.Under the chair.
B.On the chair.
C.On his bed.
（3）What's on the sofa？
A.John's books and his jacket.
B.John's keys and his radio.
C.John's books.
（4）Where is John's model plane？
A.Under the desk.
B.On his bed.
C.On the chair.
（5）What color is his clock？
A.Black.
B.Red.
C.White.