问题补充：
Three people spoke at the meeting.was a doctor; was a student; was a teacher.
A. He; she; I
B. The first; the other; the rest
C. One; another; the third
D. This; that; the last
答案：
A. He; she; I
B. The first; the other; the rest
(答案→)C. One; another; the third
D. This; that; the last
解析：列举三个人或物时用：one…, another (or a second), the third (or the other); 列举四个人或物时用：one…, another…, a third…, the fourth (or the other)。
