My father ( ) on business for two weeks.He'll return in 3 days.A.left B.has left C.has gone D.has been awayhas been away 谁可以解释下为什么?最好把其他几个选项不是的原因讲一下,thanks.

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My father ( ) on business for two weeks.He'll return in 3 days.A.left B.has left C.has gone D.has been awayhas been away 谁可以解释下为什么?最好把其他几个选项不是的原因讲一下,thanks.
My father ( ) on business for two weeks.He'll return in 3 days.
A.left B.has left C.has gone D.has been away
has been away 谁可以解释下为什么?最好把其他几个选项不是的原因讲一下,thanks.

My father ( ) on business for two weeks.He'll return in 3 days.A.left B.has left C.has gone D.has been awayhas been away 谁可以解释下为什么?最好把其他几个选项不是的原因讲一下,thanks.
for加一段时间用现在完成时,leave 和go是瞬间动词不能用于一段时间,所以用be away.