—Remember to turn off the lights when you leave the room.

— ________.

    A. OK. I will       B. No, I won’t      C. It doesn’t matter D. I know that

---Remember to turn off the lights when you leave the room．

---_________．

1. A.
   OK．I will
2. B.
   No, I won’t
3. C.
   It doesn’t matter
4. D.
   I know that

—Remember to turn off the lights when you leave the room.
— ________

1. A.
   OK. I will
2. B.
   No, I won’t
3. C.
   It doesn’t matter
4. D.
   I know that