—Listen! Someone is playing the piano.

—Wow! ______ beautiful music! I like it very much.

A. What　　　　　　　 B. How a 　　　　　　 C. What a 　　　　　 D. How

- Do you know ______ the Great Wall is?

- I think it’s more than 5000 kilometers long.

A. how deep　　 B. how wide　　 C. how far　　　　 D. how long

—______ do you usually go to bed?

—At six.

A. What time 　　　B.How time 　　　　C.When 　　　D.A and C

---_________is it from our school to the subway station?　

--- About 8 miles.

　　   A. How long　B. How far  C. How often　D. How much