I got to school late because I______(睡过头)this morning 为什么不能填过去完成时?还有In the morning,I did not hear my alarm clock ______Agoing up Bwent off Cgo off D to go off请说明原因,

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I got to school late because I______(睡过头)this morning 为什么不能填过去完成时?还有In the morning,I did not hear my alarm clock ______Agoing up Bwent off Cgo off D to go off请说明原因,

I got to school late because I______(睡过头)this morning 为什么不能填过去完成时?还有In the morning,I did not hear my alarm clock ______Agoing up Bwent off Cgo off D to go off请说明原因,
I got to school late because I______(睡过头)this morning 为什么不能填过去完成时?
还有In the morning,I did not hear my alarm clock ______
Agoing up Bwent off
Cgo off D to go off
请说明原因,

I got to school late because I______(睡过头)this morning 为什么不能填过去完成时?还有In the morning,I did not hear my alarm clock ______Agoing up Bwent off Cgo off D to go off请说明原因,
1 overslept ( 根据 got可知是一般过去时)
2 A
hear ...do / doing sth ,排除B 与D ,go off离开,消失,不符合题意.

slept late .因为这表示一个过去的事实,不与现在正在发生的动作有联系,用一般过去时表达。选A,hear ... doing sth听到......表示正在发生的动作,一听到就已经在持续,与此相同的还有watch ,see