---____ do you exercise, Miss Lin? ---Once a week. 
#60244
A
How long
B
How often
C
How far
D
How soon
推荐题目
A: Alice, you clean the house,         ? B: But I did it yesterday.
#64585
A
do you
B
will you
C
didn’t you
D
don’t you
You must have been caught in the traffic jam yesterday, ______you?
#64734
A
weren’t
B
didn’t
C
mustn’t
D
haven’t
 --Is there an English book in your bag?--______. It’s a Chinese book.
#59830
A
Yes, it is.
B
Yes, they are.
C
No, there aren’t.
D
No, there isn’t.
——Would you mind if I keep the door open? ——____________.
#64969
A
Yes, do it  
B
No, of course not
C
Yes, go ahead
D
No, you can’t open it