问题
选择题
- ____________ do you brush your teeth?
-Twice a day.
A. How many
B. How often
C. How far[ ]
答案
答案：B
搜题请搜索小程序“爱下问搜题”
- ____________ do you brush your teeth?
-Twice a day.
A. How many
B. How often
C. How far[ ]
答案：B