( ).--We are late for the conference.It_____ for ten minutes.--So it has.Hope the manuagerwon't be angy.A.has started B.has been on C.has been over D.began

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( ).--We are late for the conference.It_____ for ten minutes.--So it has.Hope the manuagerwon't be angy.A.has started B.has been on C.has been over D.began

( ).--We are late for the conference.It_____ for ten minutes.--So it has.Hope the manuagerwon't be angy.A.has started B.has been on C.has been over D.began
( ).--We are late for the conference.It_____ for ten minutes.--So it has.Hope the manuager
won't be angy.
A.has started B.has been on C.has been over D.began

( ).--We are late for the conference.It_____ for ten minutes.--So it has.Hope the manuagerwon't be angy.A.has started B.has been on C.has been over D.began
B
---我们开会迟到了.已开始了5分钟.
----是的,希望经理不生气.
由于start为短暂性动词,排除A.D根本不予考虑.C不对题
由于start为短暂性动词,故在完成时中经常用其状态have been on来表达.

B 已经开始十分钟了。start begin 都是短暂性动词,不能与一段时间状语连用。