---Remember to turn off the lights before leaving the classroom, children.--- .
A.OK, we will. | B.Yes, we do. |
C.It doesn’t matter. | D.You are right. |
---Remember to turn off the lights before leaving the classroom, children.--- .
A.OK, we will. | B.Yes, we do. |
C.It doesn’t matter. | D.You are right. |