长沙矿冶研究院赵晓兆:he knows nothing _________the matter

he knows nothing _________the matter 23.He pretended ___ nothing about it. Sandy could do nothing but ___ to his teacher that he was wrong. HE KNOWS HIS OINIONS.是什么意思? Who knows something about ___ life. ___,he is honest. ______he is ,he knows a lot. He knows how to manage a sailingboat. Young man as he is,he knows a lot. He was ___ the theatre