16.It ____ long before we ____ the result of the experiment.It ____ long before we ____ the result of the experiment.A.will not be,will know B.is ,will know C.will not be ,know D.is ,know,主将从现,那这是什么从句啊?

how long did you ____ it How long does it ____(walk) to the train station How long does it ____ ____ ____ ____ to school on foot every day? 填空~How long does it ____ ____ ____ ____ to school on foot every day?能解释一下吗? How long ____ it take her ____ (do) the works last Monday? How long ____ it ____ to go to Beijing by train _____the bad weather ______ (last持续）long No,it____ .It ____(get) better soon ,it 16.It ____ long before we ____ the result of the experiment.It ____ long before we ____ the result of the experiment.A.will not be,will know B.is ,will know C.will not be ,know D.is ,know,主将从现,那这是什么从句啊? 16.It ____ long before we ____ the result of the experiment.A.will not be,will know B.is ,wil16.It ____ long before we ____ the result of the experiment.A.will not be,will know B.is ,will know C.will not be ,know D.is ,know]可是不会解释为什 It's about 3,400 meters long.同义句转换,每空一词.It's about ____ long ____ 3,400 meters. It's about 3,400 meters long.同义句转换,每空一词.It's about ____ long ____ 3,400 meters. How long is the Great Wall?It's about ____ ____ ____ ____ ____.我知道有6700公里,但不知道怎么写在5条线上, 9. ____ he will leave for Beijing. A. It will not long before B. It is before long that C. It is before long D. It was before long that答案是D选项.为什么不能选B选项 英语翻译How long does it _____ _____ _____ to Beijing from Chengdu_____ ____?. 英语翻译How long does it take you ___ ___ ____ school do you know how long it ____(take)to get to school I used to have short hair,but now it ____(留） long ____(尽管)it takes them a long time to get to school. It was a long time ____ we had had a wonderful time together seval years before