问题 现在分词和过去分词区分

... women who served in World War II and the people they liberated，the G.I. was the common man grown into hero，the poor farm kid torn away from his home，the guy who bore all the burdens of battle，who slept in cold foxholes，who went without the necessities of food and shelter，who stuck it ou...

问题 句子断句

Kitchen is mostly packed up. The only thing I have left is tea.这个句子关系代词是作了have的宾语(I have the only thing left），还是have left的宾语(I have left the only thing)？求分析为什么。

问题 before短语是状语还是定语

The decision was made against the advice of America’s generals, who had warned Mr Biden (and Donald Trump before him) not to pull out.原因是什么？谢谢各位老师！

问题 分析并翻译：I found him as I had left him.

问题 这句的when是否应该改为until

... began to cry loudly. It finally hit me: She was gone forever. All she had left me were memories in the garden—the hours we spent planting flowers and taking care of them.I believe that my grandma is a star watching over me, and she would have wanted me to be strong and happy like her, even though...

问题 ago和before使用区分

...ing sure, like everyone else, not to look at other people.But last Tuesday was different. I was happily listening to some new music when the train suddenly stopped. This wasn’t unusual and I didn’t think anything of it. Then after about five minutes, I noticed people were starting to get a bit a...

问题 What were left behind were five empty bottles.这个句子谓语动词可以用单数吗

看外国的语法书在提到疑问词引导的名词从句作主语，都讲谓语动词用单数：What were left behind ... five empty bottles.这类例子，请问这类句子谓语动词可以用单数吗？

问题 later和late

请问一下。The games my parents taught me when I was a child turned out to be very useful later in my life和what kind of weather will there be late in the afternoon中later和late有什么区别？谢谢了！

问题 是不是主语重复了(After I had done the work,I left early.)

After I had done the work, I left early.是不是主语重复了？麻烦老师解答。含有逗号的一句话，怎样可以更多地变换它的表达方式，提高表达技巧呢？请老师举例说明一下，谢谢。

问题 it指什么

...e they cost $75. I gave her $100. Before she could give me back $25, I had left with my things. It felt good ________ I tried to help her out.答案是because. 但是我不理解句首的it指什么？老师，这个格子填that可以吗？可以把it 用作形式主语吗？还有，after可以吗...

问题 大学英语作文（批改）

As is vividly depicted in the left picture, a beautiful flower is booming in a greenhouse without wind and rain. Contrarily, in the right drawing, the flower can hardly survive when encountering bad weather. The cartoonist aimed to remind us of the phenomenon that parents excessively spoiling their ...

问题 before之前什么时候用一般过去时和过去完成时

比如：Her book，“Determined，Dedicated and Disciplined To Be Fit，”came  (come) out in April just before she turned eighty．The bus had left before I arrived.为什么两个不一样呢？什么时候用一般过去时，什么时候用过去完成时。

问题 now的词性与用法

...and the instant that happened they'd jump on the little water that was left. 这句中 very soon now 的 now 还是副词“现在”的意思吗? 译文是我现在很快要打盹了。

问题 for what is there that they had not screwed out of him under the torture?这句话中的'for'起什么作用？

问题 go back to do与go back to doing

... began to eat it! Within weeks, it had all been digested, and all that was left was pure water. Over the years, John has taken on many big jobs. He developed a greenhouse-like facility that treated sewage (污水) from 1,600 homes in South Burlington. He also designed an eco-machine to clean canal w...