“______ do you exercise?” Three times a week.”
#55938
A
How long
B
How often
C
How far
D
How many
推荐题目
I will tell him ___________ I see him. 
#56654
A
after soon
B
soon as
C
as soon as
D
till
Do you have _____ brothers ______ sisters? 
#58426
A
some , or
B
any , or
C
any , and
D
some , and
---- ________ it is late, I shall go home now. ---- OK, go ________.
#56210
A
So; down
B
If; up
C
Since; ahead
D
Because; out