看一下这三个句子哪几个是错的,the plane had taken off when we arrived at the airport.the plane was taking off when we arrived at the airport.the plane took off when we arrived at the airport.为什么.第2个是即将的意思

看一下这三个句子哪几个是错的,the plane had taken off when we arrived at the airport.the plane was taking off when we arrived at the airport.the plane took off when we arrived at the airport.为什么.第2个是即将的意思 帮忙看一下这几个积分是怎么变换的 我是韩国人~帮我看一下这几个句子里面有没有语法上的错误~ 我想知道这几个是真的还是假的?麻烦大家懂的看一下 造三个一般现在时的句子,三个现在进行时的句子,三个一般将来时的句子,然后把这几个句子改为被动型态.句子要简单一点. 帮忙看一下这几个题做的正确吗 看一下这几个字到底写的是什么? 用“看”“喊”“拾”三个动作造一个句子来表达自己做错事的懊悔心情.造一个带有“看”“喊”“拾”这几个词来表达自己做错事懊悔心情的句子.重重有赏, 懂化工的朋友或者是懂期货的朋友麻烦看一下这几个英文单词是什么东西copper primary aluminiumzinctinnickelleadaluminium alloy麻烦知道的朋友看一下 in the part time是什么意思?in the past time呢?是不是in the part time=in the past time错的话帮忙改一下!这两个句型的用法是什么？帮忙早几个句子 帮我看一下这几个句子的意思,并分析一下.1、There's the endless,ceremonial you'll-miss-me tour.2、 Pete Sampras will leave the game as he played it,a modest,easy,all-time great.3、Here are two true stories about Sampras,and how he c 请问汽车变速箱的字母是什么意思?我看了一下,有以下几个字母,P,R,N,D,S, 帮我看一下这几个英语单词 这几个英语怎么说麻烦看一下 帮忙看一下这几个字是什么? L/C 90 DAYS FROM THE B/L DATE / L/C 90 DAYS FROM THE B/L DATE / D/P.请各位高手看一下这具体是一种怎么样的付款方式啊? 帮忙看一下这三个句子的区别Nick says the teacher is a boring fellow.Nick,says the teacher ,is a boring fellow.Nick says the teacher ,is a boring fellow.前两句我明白,但是第三句只在teacher后加逗号和前两句意思区别在 看一下这句子谁是谁的同位语?同位语到底怎么看啊?We could not believe the rumour that he was a spy.