问题补充:
----I’m sorry. I’m late for the music presentation.
--- Why are you so late? The presentation for 10 minutes.
A. has begun
B. has stopped
C. has been over
D. has finished
答案:
A. has begun
B. has stopped
(答案→)C. has been over
D. has finished
解析:此题重点考查延续性动词和非延续性动词的区别。Finish,stop,begin等都是非延续性动词,不能和段时间状语连用,故选C.