问题
选择题
Don't forget _____ the tap when you don't use it. [ ]
A. turn off
B. turn on
C. to turn on
D. to turn off
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Don't forget _____ the tap when you don't use it. [ ]
A. turn off
B. turn on
C. to turn on
D. to turn off
答案：D