李老师您好。想向您请教一下这几个问题。The other day, my brother drove his car down the street at ______ I
thought was a dangerous speed.A. as B. which C. what D. thatB，C两项比较疑惑。如果选B的错误点是不是在于：at+which相当于副词，功能为状语，I tho...
...nbsp; magnetic field that metallic particle within the rock strong at the time the craters formed, it would have realigned and remagnetized the articles as they c...
In
this very special situation, numerous officers were increasingly less inhibited
when it came to disregarding all orders and regulations, claiming, as they did,
their implementation of mission tactics.1.这个句子中，as
he did作为定语从句但是提前到了先行词之前，但其先行...
...后面通常是不接介词的，但有一个例外，即 from。如：
A car came along from behind me. 一辆车由我后面过来。
A mouse ran out from under the wall. 有一只老鼠从墙底下跑出来了。
请问，除 from 外，还有哪些介词后面可以接另一个介词？谢...
Far from being a betrayal, Britain’s approach, of using the firm’s gear on the edges of 5g networks, under close supervision, offers a sensible framework for limited commercial engagement.老师好，请问approach后面两个逗号可否去掉？
Through this thirty-hour interval the surrounding Jovians continued their attack with a patience and persevering relentlessness concerning which robot ZZ One made a good many mental notes.concerning的意思是关于，但是Which在这里是指代什么成分呢，感觉不太通顺谢谢老师
这句句子里面有嵌入式定语从句：
The new result provides a "very accurate
list" of genes that Kosmichi and his colleagues are confident play a role
in the disorder.
那么这句话是否也是呢？ this is the seed that i do not know how tall will grow.
但是第二句为什么是...
Not until ______ himself seriously ill.A. he had completed the task did he findC. he completed the task had he found请问各位老师，这里为什么选 A？not find 发生在从句 complete动作之前，为什么主句不用过去完成时，反而从句用了？