数字与时间信息计算 — 英语词汇题
题目
W: Did you catch the lecture on modern art?
M: I left home at 6:50 p.m. and walked to the bus stop in ten minutes, but the bus was late by a quarter of an hour. The ride took another twenty minutes. When did I finally arrive at the lecture hall?
Q: What time did the man arrive at the lecture hall?