问题补充:
The meeting _ by the time I got there yesterday.
A. was on
B. has been on
C. had begun
D. has begun
答案:
A. was on
B. has been on
(答案→)C. had begun
D. has begun
解析:时态的考察“我昨天到哪儿”是过去,“会议开始在我到哪儿之前”应是过去的过去。故用过去完成时。
时间:2019-04-23 05:38:07
The meeting _ by the time I got there yesterday.
A. was on
B. has been on
C. had begun
D. has begun
A. was on
B. has been on
(答案→)C. had begun
D. has begun
解析:时态的考察“我昨天到哪儿”是过去,“会议开始在我到哪儿之前”应是过去的过去。故用过去完成时。