by next year,he__tweney years old A.will have been B.will be 为什么不能选A

They finish the bridge next year（用 by the end of next year改写） by this time next year 是啥意思? by next year和by the end of next year它们有没有区别?主句的时态一样不一样? He will go there by plane some day next year划线部分提问some day next year 翻译：by this time next year ,并解释一下by在这里的用法 next year 和the next year 区别 还有一个问题,这是最后一个了 They will finish the bridge next year.(用by the end of next year改写）They______ ______ ______ the bridge by the end of next year By the time I graduate next year,I will have studied and lived here for 5 years.请问请问I graduate next year是什么成份?为什么不是By the time that I graduate next year. By this time next year my family(live)_in this small town for 20 years为什么 By this time next year,we (finish)_________ our project.怎么填, By next year,he ( ) twenty years old.A will beB will have been 为什么B不行 将来完成时问题By next year,we_______(learn)about 2000 words. 句型转换：He went there by plane.(some day next year) My students asked me-----------I would go to Beijing by air the next year 句型转换：1.He went there by plane.(some day next year) He went there by plane.（some day next year）快 题：the project_(complete)by the end of next year.请说明原因 想问一个英语,by next year什么意思了?第2年还是将来 ?