新概念第3册17课,in the midst of which flowed a great river.为什么用过去时?可以改为flows吗?these alone took 17 months to build.这里为什么用过去时?不是描述一个事实吗?可以改为take吗?

in the mid-dell 关于《新概念英语》第3册39课的一个问题《新概念英语》第3册39课第4行Bruse was not in the least perturbed,其中in the least 解释为”完全不”,而整句话却翻译为”布鲁斯完全不紧张”,为什么? in the mid 1810's怎么翻译 in the mid-60s什么意思 keep the big picture in mid是什么 英语翻译RT还有：popular since the mid 70sintroduces in the mid 80s in the mid-1990s 和 by the mid-1990s有什么区别? so many people about中的about Because so many people about ,the dogs have to be kept in an enclosure我把全句放上来,是新概念3册第8课里面的 新概念英语第一册17课练习册的答案 新概念第二册第3课习题(包含选择题以外) 新概念英语第三册第3课作文怎么写 新概念英语第3册一共有多少课? 新概念第三册第3-4课作文 the mid-autumn Festival is in the ()lunar mouth.(eight) in the past the big clock 百度知道新概念3册第二课开头有our vicar is always raising money for ..(be always doing)意指持续的做,但是该课后练习第4题,In the past the big clock ___ the hours.B.always struck C.was always strikin 一篇英语填空 （新概念英语2第74课练习册）The Price of FameMany young people in the world hope to be famous like 1 __________ stars,but it 2 ___________be very much fun if everyone in the street 3 ___________ you.People approach the f 新概念英语2练习册第17, 新概念第2册课文52课