there are known knowns,there are also unknown unknows.

there are known knowns ;there are things we know we know .We also know there are known unknows ;that is to say we know there are some things we do not know .But there are also unknown unknowns — the ones we don't know we don't know句子成分分 英语翻译Reports that say that something hasn't happened are always interesting to me,because as we know,there are known knowns; there are things we know we know.We also know there are known unknowns; that is to say we know there are some things w there are known knowns,there are also unknown unknows. There are know,there are know unknowandThere are unknow unknow There are know,there are know unknowandThere are unknow unknow 这句话什么意思?there are known knowns,there are also unknown unknows.. I know you are somewhere out there. nobody but his family _____ the secret.A.know B.are known C.have known D.knew There are several people over there,but----is known to me. A None B No one there are know konw there are konw unknow there are unknow unknow Very few_______has adress in the town.A.has known B.are knowing c.know D.knows What great scientists do you know?What are they known for?用英文回答。 Hellow,Mike.It's you .I___you___inBeijing.How long have you been hereA hadn't known,are B haven't known,are C didn't know,were Hello!I _____ you _______ in London.How long have you been here?A.hadn't known,were B.hadn't known,are C.haven't known,are D.didn't know,are -Do you know the boy over there -Sure.I _ him for years.A、knew B、have known C、was known that is,we'll react if the transition is attempted when there are known problems that is,we'll react if the transition is attempted when there are known problems I wish I ___what is happening there in his room.a、knowb、known　c、knew　　 d、should know