As it happens , we had been having a great number of cases of
diphtheria in the school to which this child went during that month.
请问在这里使用完成体和完成进行体的区别是什么？
完成进行体更强调事件在那个月里不断发生吗？还是本质区别并不在此？
...
...。例：（1）Jasper
has put up ‘No Parking’ signs
outside his gate, but these have not had any effect.effect没加s，我判断它此时为可数名词（单数）或者不可数名词；下一步，通过语境分析：一般情况下，在否定句，any后面加可数名词复数或者不...
Mr Titterton is chairman of the Omega Ensemble but has been the group’s official page turner for the past four years. His job is to sit beside the pianist and turn the pages of the score so the musician doesn’t have to break the flow of sound by doing it themselves. He said he became just as n...
...and I
will be glad to have them stay with us.W:
That’s very kind of you, but they’ve already left for their grandma’s.You know,
Suzy lives close by.这段对话摘自2021年新高考英语全国卷I的听力稿的录音材料。请问可以说
That’s very kind of you 吗？我记忆中是要...
...in the development of a tumour often involve genes involved in DNA repair. But all these secondary mutations make it hard to sift out the ones which are clinically relevant. To do so you need to compare lots of samples from different people, and thus see which mutations some of them have in common....
It was ____ we had hoped.选项：A.more a success thanB.a success more thanC.as much of a success asD.a success as much as为何BD不对？这和我看到的句子：A car was as much a savings vehicle as a way to get from A to B.不就是一样的了吗？as much a vehicle...
... I like eggs.一般现在时<<剑桥中级英语语法>>定义:We use present simple to say that something happens all the time or repeatedly, or something is true in general.以上3句应该属于something is true （客观事实） 还是 something happens all the time or repeate...
...us. Student cards will be required to tap into buildings and rooms so that we can manage capacity limits and to be used to assist in contact tracing if needed.student cards 用的是复数泛指，是否解释为2张以上的学生卡才能打开楼门？是否应该替换成a student card 因为一...
例句：We want to know in which types of schools and for which kinds of students these growth mindset ideas help young people adapt to the challenges of high school.疑问：句子中加粗部分的语法结构不理解，请老师详解一下，谢谢！
...has levelled off, and what can be done about it.2. In a separate briefing, we examine an even graver problem.请问上面为什么不用have examined，用一般现在时的为什么？这是什么用法？是一般现在时表示过去吗？如果是这种用法、对动词的要求是不是比较...
...rsquo;t want there to be any mistakes. 这次我不想出任何差错。
We don’t want there to be any misunderstandings. 我们不希望有任何误解。
除了动词 want 之外，还有哪些动词可以后接 there to be…结构作宾语呢？应该不会是所有的动词都可...