求The truth is that the fog is too thick for the bus to run s

这是一个表语从句。The truth is that the fog is too thick for the bus to run so far。翻译：事实是雾太浓(厚)了,以至于公共汽车不能开太远(公共汽车不能通行)。在这个句子中,“The truth"作主语,”is"作谓语,“that the fog is too thick for the bus to run so far。"是表语从句,在主句中充当表语。