...已经被做，两者有什么区别?His machine is the first of its kind to have been used here.这里使用的这类机器中，这是第一台。The meeting held yesterday is of great importance.昨天召开的会议很重要。
...9;s the matter?一I _____ on a sofa because my grandparents have been here to spend the weekend. I can't have a good sleep.A. slept B. am sleeping C. was sleeping D. have slept 标准答案为B，现在进行时态在...
...ther than have breathed a syllable of my view.2）I would rather have gone to the theater than stayed home last night. （该句来自 http://ask.yygrammar.com/q-39997.html ）对比上述2个句子，很明显，1）句than后是完成时，2)句than后是过去时请教老师：a) 是would rather....
...。如：
Not a word was spoken. 一言未发。
Not a soul was to be seen. 一个人也看不见。
但我觉得这两句并非是倒装句，因为句中的 not a word, not a soul 实际上是句子主语，后面部分也没有任何倒装形式。请问我的理解对吗？谢谢...
...中例句：He worked in this field for several years, which contributed to his later success.该书表示，这句话一般语法书上都认为是对的，而GMAT考试认为，这种语法应用可能会存在关系代词which指代不明的弊端，所以不提倡使用，一般会判错。那...
...态吧。it seems schools may not be providing an opportunity for children to re-express their ideas and so have them tested and refined by teachers and their peers.这里的进行体又如何解释？自己猜测进行体表临时的状态。请老师在分析下这里provide是静态动词还是...
...be fighting in a war and dying in a war that
Afghan forces are not willing to fight for themselves.以上是拜登原话。请教老师，If
anything the developments of the past week reinforced that ending US military
involvment Afghanistan now was the right decision.这句话中if
anything 是什...
...
space replaces the textual, literary or narrative development we are used to in
the conventional divided theatre space. There is very little character or
psychological development between characters, as this ‘event theatre’ demands a
full volume, presentational type of performance.不断变化...
...句子是2016年厦门的中考真题：— It’s the second time I came to Xiamen. It _____ a lot.— Yes, it’s more and more beautiful. A. was changing B. has changed C. will change答案选 B，这容易看出来。但问题是：题中的...
...是正确但不恰当的，是不是day换做time就正确了？2.还有I told them the reason for which reason I didn't coem.这句话总的reason不应该也是必须加上的吗？They went to London, in which place they lived for 6 months.同样，这句话的place不应该也是必须加上...
Sorry I'm late. I _____ have turned off the alarm clock and gone back to sleep again. A: might B: should C: can D: will 本题选A。我做题的时候，觉得应该选B：Should可能更佳。might have turned off 和 will have turned off 在这里应该都是表示对过去完成动作的推...