It seemed that he knew all about it.怎么改同义句啊?

It seemed that he knew all about it.怎么改同义句啊? 初二英语1.It seemed that he knew the secret.(改为同义句) He ______ __ It seemed that he was very happy的同义句 It seems that he knew me.改写成简单句 it　seemed　that　he　was　unhappy改为同义句为he　seemed什么三个空 1.talked,he,as,it,he,all,if,knew,about(连词成句) 2.To 英语 同义句改写It seemed that he felt sorry for what he did. It seemed that he lost his bike同义句 He ----- ----- -----his b It seemed that he had been told all ------. It seemed that he lost his book.的同义句谢谢了, It seemed that he was the first one to come to school.(同义句) "It seemed that he lost his book."的同义句是什么?