i don't know if she has turned off the light.为什么要使用现在完成时
i don't know if she has turned off the light.为什么要使用现在完成时
she turned off the light and then_________
i don't know ()she has received the package
Don`t turn off the lights.I need to know if what I am doing
I don't know if she ______to the meeting.If she _______,what
I don't know if she has gone to China____ (A) ?(问号) (B) .(句号
don't turn off the light歌词
I don't know if she (will go ) to the movie.If she (goes),I'
I don't know if he has a ……
--Don't forget to turn off the light if you're the last one
歌Don't turn off the light的第一句是I Don't have to...还是The light
为什么I don't know if is polite to speak loudly at the table中if