折返しお电话をぃこごけますか的意思是（）。
A.请稍等，他正在接电话
B.请慢一点说
C.您是哪一位
D.请他给我回电话
参考答案：D
— Why did you come by taxi?
— My car broke down last week and I still _____ it repaired. [ ]
A. didn't have
B. hadn't had
C. haven't had
D. won't have
在甲、乙、丙、丁四种组织中氧气与血红蛋白的结合情况是：甲为75%，乙为85%，丙为60%，丁为40%，新陈代谢最旺盛的组织是______。
A．甲 B．乙C．丙 D．丁
