-----You’ve left the light on.

   -----Oh, so I have! _____ and turn it off.

   A. I’ll go  B. I’ve gone  C. I go  D. I’m going

 –You’ve left the window open.

   –______. I’ll go and close it.

A. So I have                 B. So have I                 C. So I did                    D. So did I

---So you've left the classroom key inside again?

---No.I've got it with me this time,but I have forgotten ______ the door?

------You’ve left the light on.

------Oh, so I have. _____________to turn it off.

A. I’ll go              B. I’ve gone           C. I go                    D. I’m going

“You’ve left the light on.” “Oh, so I have. _____ and turn it off.”

A. I’ll go B. I’ve gone

C. I go    D. I’m going