─          did you play the piano today?    ─ For five hours.
#43545
A
When
B
How long
C
How often
D
How soon
推荐题目
__     is going to see the film Titanic again because this year marks the 100 years since the Titanic sank(沉没) in the ocean.
#35395
A
Not only Lily but also her parents
B
Lily as well as Lucy
C
Both Ben and Diana
D
Neither Ben nor Diana
   do you spend finishing your homework?
#43583
A
How far
B
How long
C
How much
D
How often