She didn't remember her appointment with the doctor until she had arrived home.had可否去掉?为什么要用过去完成时?直接用过去时不可以吗?
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Shedidn''trememberherappointmentwiththedoctoruntilshehadarrivedhome.had可否去掉?为什么要用过去完成时?直接用过去时不可以吗?She
She didn't remember her appointment with the doctor until she had arrived home.had可否去掉?为什么要用过去完成时?直接用过去时不可以吗?
She didn't remember her appointment with the doctor until she had arrived home.
had可否去掉?为什么要用过去完成时?直接用过去时不可以吗?
She didn't remember her appointment with the doctor until she had arrived home.had可否去掉?为什么要用过去完成时?直接用过去时不可以吗?
不能,因为arrived home这一动作发生在didn't remember之前,是过去的过去,所以要用过去完成时.