...词构成介词短语在定语从句中作状语。But it was a time when there were many great philosophers.1. 问题：上面这句话中when可以被at which替换么？把a time还原到从句中是at one time？2. 看语法书中说when和where前也可以有介词，when前可以与from、sinc...
If
a friend says that his arms and legs are weak, we know that it is his own
fault. But
if he tells us that he has a poor memory, many of us think that his parents may be blamed, and few of us know that
it is just his own fault.Have
you ever found that some people can’t read or write but usually t...
...vibrations will cause the roof of the mine to collapse. Rescue workers aretherefore drilling a hole on the north side of the mine. They intend to bring the men up in a special capsule. If there had not been a hard layer of rock beneath the soil, they would have completed the job in a few hours. As ...
_______ need for new schools following the Second WORLD WAR that provided the sustained thrust for the architectual program in Columbus, Indiana.A. Since the B. Tobe the C. The D. It wa...
...道题目，原题是这样的：It's not complicated at all.
______ you need is _______ the button and the machine will do the rest.答案是It's not complicated at all.
What you needto do is press the button and the machine will
do the rest.我觉得，首先这是个主语从句，主句的动...
...d criminal, he still
wants to live an honest life, signifying
that actions are not always a true indicator of character.请问老师：现在分词短语signifying that actions are not always a true
indicator of character充当什么成分？现在分词的逻辑主语是什么呢？
...e country into their list of the most popular tourist destinations as they are allowed to enter Maldives visa-free.
从题目的句子来看，红字部分应该是做原因状语，于是把句子改写为上句后，出现了谓语动词用are（一般时态）的情况。
如此一来，...
...里的absent 不知是否也是形容词做状语？Although these changes are positive, I am reluctant to enthusiastically endorse them in the absence of corresponding measures ensuring their implementation. As previously noted, newly amended provisions in the new Foreign Investment Law prohi...
...ciplines. At some point, generally by the end of the second year, students are required to declare a major. In some cases, students begin classes in a program of study from the minute they enter the university.Some college freshmen seem to have been called to a profession at an early age, and t...
...re worried over the fact that you were sick. 他们为你生病发愁。
There was little hope that they would survive. 他们幸存的希望很小。
老师说，同位语从句除用that引导外，有时也可用what, which, who, whose, when, where, how, why, whether等引来。如：
You h...
...按照以下两种形式理解的：1.air will be
heavily polluted where there are factories
在有工厂的地方，空气会被严重污染。地点状语从句修饰主句2 We must camp
where we can get water 我们必须在可以找到水的地方露营地点状语从句修饰主句的动词ca...
...讲厅里抽烟。（摘自《牛津英语用法指南》105.4节）
My parents wouldn’t allow me to go to
the party. 父母不许我去参加聚会。（摘自《朗文当代高级英语辞典》第6版英英英汉双解版p.65）
Her boss allows her to work from home.
老板允许她在家办...