问题
选择题
---________do you exercise?
-I exercise once a day.[ ]
A. How often
B. How long
C. How old
D. How much
答案
答案：A
搜题请搜索小程序“爱下问搜题”
---________do you exercise?
-I exercise once a day.[ ]
A. How often
B. How long
C. How old
D. How much
答案：A