She has __ back for three days单项选择A comeB returnedC gotD been

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She has __ back for three days单项选择
A come
B returned
C got
D been

D been
be back 表状态,其现完可同一段时间连用,其余三个动词为非延续性动词,表示瞬间动作,其现完不能同一段时间连用,故选D.

D

D

选择C就对了,用完成时。

D