—          do you exercise?— Twice a week.
#59848
A
How long
B
How many
C
How often
D
How soon
推荐题目
You had one of your teeth pulled out yesterday, ______? 
#64939
A
had you
B
hadn’t you
C
did you
D
didn’t you
 -You haven't been to Rome, have you? -_______. How I wish to go there!
#59743
A
No, I haven't
B
Yes, I have
C
No, I have
D
Yes, I haven't
There has been a great increase in bicycle sales this year________?
#65436
A
does there
B
isn’t there
C
hasn’t there
D
isn’t it
He shouldn’t drink so much,      he?
#65238
A
should
B
ought
C
would
D
will