—   do you have an Art Festival in your school? —Once a year.
#56324
A
How long
B
How often 
C
How far
D
How soon
推荐题目
You can’t get off the bus ___________ the bus stops. 
#55501
A
after
B
when
C
until
D
because
–My brother’s never been late for work, ______? –______. He is a hard-working man.
#57938
A
is he; Yes, he is
B
isn’t he; No, he isn’t
C
has he; Yes, he has
D
has he; No, he hasn’t