Due to the vacation of China National Day ,i feel very sorry to inform you the sample can't be sent

Due to the vacation of China National Day ,i feel very sorry to inform you the sample can't be sent

由于国庆假期的缘故,我非常抱歉地告知您,样本不能马上送到.

出于十一假期的缘故，我们非常地抱歉通知您，样本不能马上送达。

由于国庆节假期，我很抱歉的通知你样品不可能被发送了

D 我不能给你们一起去音乐会了，我感到很抱歉！ D THAT that 引导定语从句