---______ are you staying in Beijing?----For a week.
#43652
A
How much
B
How long
C
How far
D
When
推荐题目
We should not eat ________junk food. 
#43708
A
too many
B
too much
C
many too
D
much too
--_________ can cormorants stay under the water?--_________ up to two minutes.
#39205
A
How soon, For
B
How often, /
C
How long, For
D
When ,For