﹣Don't keep the lights on when they're not in use!
﹣____( )
A.Not at all.B.Sorry, I won't.
C.No, thanks.D.I'm afraid so.
The students don’t know the broken computer.
---Did Mr Smith tell you __________? ---Yes. He said that he went there in 2003.
— What are you discussing?— We are discussing_______________.
I don ' t know . A.where she comes from B. how old is she C. When was she born
— I wonder . — Shandong Province.