--- _________ does your cousin go to the gym?                                                                                     --- Twice a week.                                                                                                      
#36806
A
How long
B
How often
C
How soon
D
How far
推荐题目
_________ people are hardly ever tired.
#42210
A
Confident
B
Creative
C
Energetic
D
outgoing
The math problem is _____ difficult that only _____ students can work it out.
#42449
A
too; a few
B
so; a few
C
so; a little
D
enough; little