The dog walked the street. Then it ran the grass. A through; through B. across; across C. through; across D. across; through 我知道across 是表面横过 through 是立体穿过 。如果这道题就只有前一句的话，也就是The dog walked ...
...usic playing
throughout. And don’t forget to put out some cookies and fruits. Remember,
it’s a party!本段摘自2021年高考英语全国卷Ⅱ（甲卷）的阅读理解七选五。请问这里的fruits 为什么用复数呢？我知道 fruit 通常是不可数名词，只有表示种类时才...
...有两道题目：1.Frank will return the book if he has finished reading it.2.The project will not start until all the
preparations have been made.请问这两个句子为什么填完成时，尤其不懂第一个，虽然书上说在条件句里现在完成时可以替换将来完成时，但是...
It is considered
to be an error when the understood subject of the clause is not identifiable
with the subject of the matrix clause, and perhaps does not appear in the
sentence at all.这是英英语语法书上分析语法的一个句子，我对其中的 understood
不是很理解，这里的 unde...
... newspaper on the table this morning, but she
_____(have) any time to read it yet.参考答案只有saw, 但是，我觉得has seen完成时也可以。可是，有人认为只能是一般过去时，难道因为后半句的一定说明说话时间已不在this morning?上午看到桌子上的报纸...
It was going to be at a hotel near where their school used to be.这句话中，如果理解成where为定语从句中的关系副词，near where作地点状语倒装于句首可以吗？where作为连接副词在名词性从句中可以做表语，当作为关系副词在定语从句中可以做...
To achieve the purpose of storing industry solid wastes and enhancing subgrade stability in a seasonally frozen region, Structure III, which utilized modified silty clay (SC) and extruded polystyrene (XPS) board as a novel subgrade thermal insulation layer (NSTIL), was presented.上段的Structure I...
...henever you've got two similar species competing for the exact same limited resources, one of them will have some sort of advantage-however slight- that'll eventually enable this species to dominate and ultimately exclude the other one ...even cause it to become extinct.教授: 高斯...
...示“差不多”主要是修饰数词（数字、数量）吧！比如：It is about 76 kilos in weight. 这个东西大约有76 公斤重。The room is about 15 metres square. 这个房间大约有15米见方。The park is about 20 acres in extent. 公园的范围大约有20 英亩。除此之外...