the author found out his friend with whom he had lost contact for long.这句话语法有错误吗?怎么改

the author found out his friend with whom he had lost contact for long.这句话语法有错误吗?怎么改 Author The author's introduction I want the happiness.finally found out . no author names could be found for any of the work 这句话怎么翻译呀 急 Have you found out the c___of the accident? The police have______who robbed the bank.A found B,found out C.looked D.looked for I found that diffcult to work out the problem 改错 Have you found out the case anywhere?翻译 author You found out right ----more details,refer to the manual.A.To find out B.finding out C.found out 选什么 为什么? 询问语法题 动词填空The books the author _____(print)were sold out last week.答案是had had printed为什么是两个had? the author describes the case as it The police found out the ___(存在)of poison in the dead woman's blood found和found out的区别 The man found out where she could buy fruit cheaply.改为同意句.The man found out she could buy fruit cheaply。 以下句子怎么填?The lady found out where she could buy fruit cheaply.=The lady found out ------- ------- --------buy fruit cheaply. 改同意句.The old lady found out where she could buy fruit cheaply.The old lady found out ( )（ ）( )fruit cheaply.