----______ do you visit you grandparents ? ----Once a week . 
#45322
A
How long
B
How far
C
How soon
D
How often
推荐题目
There will be _______ rain and _______ wind next week.
#45471
A
heavy, strong
B
strong, strong
C
strong, heavy
D
heavy, heavy
---I think Japanese is _______English.----I agree with you.
#44363
A
so interesting as
B
less interesting than
C
the most interesting
D
more interesting
The teachers have _______ holidays and lots of _______ time.
#47681
A
long, busy
B
short, free
C
long, free
D
short, long