All of these are doing great harm to the environment.这里的doing是什么用法,翻译

All of these 后面加 are 还是 is?比如说All of these are about love.RT are all of these goods on sale怎么读 翻译 Just thought of these are all past The o______ of all these words are unknown. all of little something.these are our memorise All of these things all of these stamps of all these goods these are second to none 翻译 为何用none Are these books all yours? All these are fine novels.You can read ____ of them.A.neitherB.anyC.eitherD.both Both of these are interesting books.You can borrow_____of them填any还是all 为什么 These children deserve the best of the best and you are all the best! all of the students are （）（）（） a math test these days. And all of these stamps are from China,too翻译这句英语为中文 These stats are nice.whai if I get all of them? 翻译 These family are all relatives and move in and out of each other's lives 请问“all of little some things these are memories”是哪首歌里的一句?请问这是哪首歌？ These toys are all made _____ hand.A.in B.by C.with D.of