----______are they staying in Beijing?----For three days.
#60010
A
How often
B
How long
C
How old
D
How soon
推荐题目
The girl carrying a dictionary, come in first, ______? 
#64678
A
doesn’t she
B
will she
C
will you
D
don’t they
Are those your pen friends?    Yes,              .
#60136
A
they are
B
they’re
C
they are not
D
they
The news that he fought with his coach surprised us, ________?
#64675
A
did he
B
didn’t it
C
didn’t he
D
did it