— Remember to turn off the lights before leaving the classroom children.— .A. OK we will

问题补充：

— 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.

答案：

(答案→)A. OK, we will.

B. Yes, we do.

C. It doesn’t matter.

D. You are right.

解析：句意：--孩子们，记住在离开教室前关上灯。--好的，我们会关的。It doesn’t matter.没关系；You are right.你是对的；根据语境可知这里关灯这件事还没有做，表示将来，只有A是将来时。故选A。

考点: 考查交际用语的用法。