求解决,语法选择Do you know when people began to use paper? The Chinese man 1 Cai Lun first invented it in ADl05．He made it 2 the wood of a kind of tree． Today,paper still 3 from trees．We use 4 paper every day．We must begin

求解决,语法选择Do you know when people began to use paper? The Chinese man 1 Cai Lun first invented it in ADl05．He made it 2 the wood of a kind of tree． Today,paper still 3 from trees．We use 4 paper every day．We must begin Do you know that I have many to you down这句子语法对么求大神帮助 Do you want to know about with me?语法上, why do you don't know?语法哪里有问题? Do you know who he is 正确吗语法? 语法选择（回答时说原因）Do you know ______?A.where is heB.where does he liveC.where he goneD.where he went Do you know that ()girl? 选择 AJapanese. BAustralia. CFance. DUSA. what other/else stories do you know?选择哪个?为什么? You do know my love 求翻译. 求歌 you know ireally really do 求Do you Mary's_____and______?Do you know Mary's______and_______? Do you know when they meet?怎么选择 为什么 有过语法A.what do people in the US usually doB.what people in the US usually doC.how people in the US usually do You will never know what you can do __unless__ yoYou will never know what you can do __unless__ you try. 用unless的语法点? 求do you know where you're going to英文歌词 what do you know Do you know what Do you know Facebook? do you know my