Mr Yan was working in his office at 10:00 this morning( working in his office 画线)对划线部分提问

Mr Yan was working in his office at 10:00 this morning( working in his office 画线)对划线部分提问 He found that Mr black was no longer working there.为什么用working i was born of a working-class Mr.Jones,__I was working for,was very generous about overtime payments.能不能填for which? While He Yan was at the doctor's.I was going…为什么是doctor's 材料：Mr.Li said,” I saw three aliens get out of the UFO” Wang Jun said,”I was studying when I saw the UFO outside the windows” Ma Yan said,”I saw two aliens playing football in the school hall.” Liu Ming said ,” I was eating lunch w he said i was hard-working.was hard-working.请问这个要如何理解? He said I was hard-working.He said he was hard-working.是不是都正确? Mr.Li often works very hard.When I ()him at eleven last night,he()in the officesaw workedwas seeing was workiwas seeing workedsaw was working求说明下啊 懂英语者进Mr.king told me,You are hard-working.(改为间接引语）Mr.king ____I ____ hard-working.I'm mad at Marcia.(改为同义句）I'm ___ _____ Marcia.Tom wasn't mad at Marcia anymore( 改为同义句）Tom was ___ _____ mad at Marcia. He said I was hard-working.的同义句 he said i was hard -working是什么时态 He said I was hard-working变直接引语 He siad I was hard-working的同义句 改同义句Mr Yan makes English so easy.Mr yan makes---so easy--- --- English. while he yan was at the doctor's,I was going to the class这里为什么不用WHEN Although it was late at night,Mr.Wu still went on working(句意相同) it was late at night,________Mr.Wu still went on working 英语翻译CERTIFICATEAt the invitation of Webasto Donghee Auto Parts YAN CHENG Branch,Mr.Kim jin yong will visit china for working in July 2010 for about 3 years.The expenses including return air tickets,lodging,accommodation,local transportation a