问题 现在进行时与现在完成时的区别一例

I ______ on a sofa because my parents have come for the  weekend.A. had slept         B. was sleepingC. have slept       D. am sleeping正确答案是 D，为什么呢？我选的 C。求老师分析一下！

问题 as的用法比较与分析

...rdless.      (3)The news showed a trick of cheaters and, to my surprise,it was the same situation as I had experince during the day.这三个句子中as的后面为什么略有不同，希望老师指点，谢谢了！

问题 翻译:What is the legal significance the Seattle oper

What is the legal significance the Seattle operation sting？请问怎么翻译？

问题 The problem is in/with…中介词的选用

The problem is in / with $100 dollars.这是前面一个网友的问题（https://www.cpsenglish.com/question/60773）。请问句中的 in 可以换成 with 吗？

问题 Isn't that the way it is when...怎么理解

Isn't that the way it is when we take the time and make the effort to do something for someone else?请问：(1) Isn't that the way it is 是什么意思？that 和 it 分别指代什么？(2) When引导的从句应该是后置了，它引导的是主语从句吗？

问题 the place is worth visiting。

想问 worth是表语，那么visiting是什么成分？谢谢

问题 not否定哪个成分

1. He is no fool. 2. He is not a fool.    3. He is not fool. 句1中 no 否定名词 fool？句2中 not 否定 is? 句3中 not 是否定 is 还是否定形容词 fool？

话题 sb is hurt to do sth

话题 than is necessary to do sth

话题 There is no subject to which

话题 A horse is a useful animal.

话题 The bride to be is Mary

话题 there is sb/sth doing sth

话题 It is sb/sth doing sth

问题 如何理解This is where I belong这样的表语从句

This is where I belong. 这句话是什么用法呢？belong 后面不应该东西么？where 为什么可以连接呢？