It was a bolt out of the blue that he is a teacher这句话是否有错?

It was a bolt out of the blue that he is a teacher这句话是否有错? 英语：a bolt out of the blue One of the main reasons is that he was very hard.这句话有错吗? IT`A BOLT FROM THE BLUE啥子意思啊! 这句有错 变同义句he is such a good teacher that all of us like him h "A bolt from the blue"意思 It was he that helped me out of the trouble这句话对不对,如果错,错在了哪里. He was pointed out that it's a source of income.He's________ It was（ ）that he moved out of the remote 这句有错吗：The man a friend of whose is ill is worried that he wi What are the quality of a good teacher?这句话哪里有错?为什么 she is a lovely teacher.The names are my friend's 这两句话有错吗?