it is said that he was seen _______a bloody knife in his han

It is said that that was all that he said. It is said that he was caught.One____so,but in fact he wasn' 1道英语选择,it is said that he( )in trouble with his studies thou ( ) It is said that his father was _______ for theft. —We don't know_____.—It is said that he was born in Canada. We don't know _____.-It is said that he was born in Canada.A It is said that he was caught.One____so,but . it is said that he was failed again可以换成he is said to have fa it was said that his father___ It was said that his mother _________. 语法：It is said that ____ was all ___ he said. It is said that that was all that he said.这里面的3个that分别做什么成分?