高三英语题It is commonly believed that it is __too much money has
高三英语题It is commonly believed that it is __too much money has been invested ... It is commonly believed that it is __too much money has been invested in real estste __has caused the crisis in Wall Street.
It is commonly believed that it is _that_too much money has been invested in real estste _that_has caused the crisis in Wall Street.第一个that引导主语从句,是连词,不需要它有词义;第二个that是强调句型中的连词,也无词意,是语法结构上的要求.