A:降为500元
B:降为400元
C:降为600元
D:保持不变
为下列句子排序,组成一段完整通顺的对话。
(____)A.Look!It's in the box.
(____)B.Is it under the chair?
(____)C.Where is my cat?
(____)D.Thank you very much.
(____)E.No,it isn't.
电路短路____会烧坏电路。(填“可能或不可能”)