问题
选择题
If you have any problem, you can your teacher. [ ]
A. turn on
B. turn off
C. turn to
D. turn up
答案
答案：C
搜题请搜索小程序“爱下问搜题”
If you have any problem, you can your teacher. [ ]
A. turn on
B. turn off
C. turn to
D. turn up
答案：C