31．My father on business for two weeks．He'll return in 3 days． A．1eft ——青夏教育精英家教网—

摘要：31．My father on business for two weeks．He'll return in 3 days． A．1eft B．has left C．has gone D．has been away

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My father ________ on business for two weeks．He’ll return in 3 days．