— 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
David likes vegetables, _________ tomatoes, potatoes and cabbages.
#56099
A
of course
B
for example
C
and so on
D
such as
—Hurry up! The bus is coming. —Wait a minute. Don’t cross the street _______ the traffic lights are green.
#58477
A
until
B
after
C
while
D
since
