题目

根据对话内容,从方框内的选项中选出能填入空白处的最佳选项,其中有两个为多余选A: Did you hear about the flood in Wuhan last night?B: No. A: My e-friend Lin Tao told me about it.It rained for a long time.B: A: For about two weeks.B: A: Yes, it was very terrible.There was water all around his house. Most of his furniture and his books get wet.B:Did your e—friend still live in his house?A: No. There was no flood there because his uncle lives far away.A. Oh, really?B. That sounded bad.C. He and his family moved to his uncle's house.D. What happened?E. How long 函数y=ax-a与y=（a≠0）在同一直角坐标系中的图象可能是( )