many of them have been with us for a long time翻译

I have many friends.Jim is ( )of them谢,为什么? 关于many of whichThere used to be a lot of coal mines,many of ---- have been closedA.which B.them 请问为何答案为A?请解释,谢谢many of which是何意？为什么用Which?请详解 There_ a lot of coal mines in the south,but many of them have been closedThere_ a lot of coal mines in the south,but many of them have been closed or are_ be closed.A.use to having,about toB.used to be,toC.use to having,to goingD.used to be,supposed -- Have you seen many sheep in the distance?--Yes,__________.A.thousands of them B.two thousands of them C.two thousand of them D.two thousand them I have many friends,__________some are businessmen.为什么填of whom而不是of them呢, I have many friends,__________some are businessmen.为什么要填of whom 而不是of them There ____a lot of coal mines in the south,but many of them have been closed orThere used to be a lot of coal mines in the south,but many of them have been closed or are _____be closed.横线上可以填about to ,going to,to,supposed to中的哪些, I have many students, every of them is sI have many students, every of them is smart.这个句子有错吗?还是正确的? We have no need to be afraid of them.这是什么结构HAVE TO BE?是什么 Many of them are family There uesd to be a lot of chemical plants in the south,but many of them have been closed or are ? be closed. A to B supposed to说明原因 句型转换 The have enemies that kill and eat them.Because of this,many of them died out.=1.The have enemies that kill and eat them.Because of this,many of them died out.=The have enemies that kill and eat them._____ _____ ____,many of them died ou 修改错误Who have a pet in your class?Many of them do.__________ many of them have been with us for a long time翻译 so many people have lost faith in love are you …one of them So many people have lost faith in love are you ...one of them I have many penpals ,but ——of them are foreigners 英语阅读理解答案Teenagers have many problems nowadays.One of them is shyness..