题目

_____ today, he would get there by Friday. A. Would he leave                          B. Was he leaving C. Were he to leave                        D. If he leave  答案：C12．已知i是虚数单位．在复平面内，复数$\frac{1+i}{i}$的共轭复数对应的点在（　　）A．第一象限B．第二象限C．第三象限D．第四象限