I don't know __ of them,I only know some.A.everyone B.every

I don't know __ of them,I only know some.A.everyone B.every I don't know _____ of them. A.any B. some C. no 选什么,为什么? i don't know all of them I don't know any of them 英语句子成分问题 I only know some of them. I don't know ___of them,Ionlyknow a few of them I don't know __ is __ you are after.A.that...when B.that...w ___ everyone here?Sorry,I don't know AIs ,don't B Does,don't Excuse me,__ I don't think I know you.A.Though B.but I don't know the __ income of the family,but I do know it is i don't know if __ tomorrow. but I don't know what ____for them.A.buy B.buying C.to buy