do you know the a_____ to thisquestion 怎么填

do you know the a_____ to thisquestion 怎么填 Do it a_____.You'll know how to do it 横线填什么 Do you know the man to _____I spoke.填什么 Do you know the man_____is sitting behind Nancy?怎么填? Do you know the a_____ of these things?Of course.Two cups of Do you know _____?(怎么填) Do you know the to the question? 用适当的单词1.do you know david's a_____?i want to send a photo to do you know what is the()(weigh)of the elephant.怎么填,急、 do you know ---she will go to the cinema with us 、 横线上填什么 Do you know the （路线）to the post office?填route还是way?为什么?如果填wa 请问怎么填 Do you know who _______________ (发明) the computer?