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问题 关于句中逗号的使用问题

老师好!At that moment, a large black car with four officers inside it, stopped at the camp gates.本句中，with four officers inside it介词短语做a large black car的后置定语，为什么谓语动词stopped前还加一个逗号来分开？期待老师解惑，谢谢！

问题 这个that it is是定语从句吗

They have done what they can to mak this programme the success that it is. 请问这个句子是什么意思？句中的 that it is 是定语从句吗？

问题 whereas与when同时出现的句子如何理解

Whereas a few years ago, when the kids were all out binge drinking. whereas这里是连词的话，when这里怎么理解,whereas的原句补充完整是什么呢？

问题 关于间接引语

1.The gardener said that he ___(cut) that tree down yesterday.2.What did he say that he_____(do) last weekend?第一题答案给的是had cut/cut,第二题是had down/would down不明白为什么第一题既可以用过去完成时也可以用过去时，而第二题只能用过去完成时；如果...

问题 duty if required,是否可以看作插入语

A：What does the estimate include?B：Estimates include merchandise, packaging and shipping, duty if required, any taxes and insurance.

问题 might business travelers make倒装句

might business travelers make倒装句，这里是起强调作用吗？What common mistakes might business travelers make when it comes to conducting business across the globe?

问题 be building on success的理解

The emphasis must be on fun,encouragement,and buiding on success. 这句话中的building on success与之前的be相连吗？可是building不是名词不能和fun等并列啊？怎么理解building on?

问题 all about修饰什么作何解

philosophu is what everyone does when they are not busy dealing with their everyday business and get a chance simply to wonde wha life and the universe are all about.这里all about修饰什么作何解？

问题 关于as soon as的疑问

（1）as soon as it had touched down 修饰的是 to get off the plane quietly 吗？（2）这里的 had touched down 是过去完成时，它的用法是“过去的之前”，所以是参照 to get off 吗（尽管这里使用的是 to do）？

问题 than引导的定语从句

...以填什么？is, are还是不填？填完动词可以补上主语it/he/they吗？如果去掉more，是不是只能补上he is? The medicines are effective as ____ expected.这里可以填什么？填完动词可以补上主语it/they吗？这两句都可以理解成比较状语从句？

问题 如何判断it是形式主语还是真正的主语

It finds that there were 7 groups monkeys outside the natural reserve. 请问，在这句话中that是主语从句还是宾语从句呢？怎么判断it是作真正的主语还是形式主语？

问题 It...since从句 的问题

It _____ over 50 years since humans _____ first steps on the moon.A. is; have taken       B. has taken; tookC. has taken; take刚才看了老师们之前针对这类问题进行的讲解，感觉A和B都行请问正确答案应该是哪一个？为什么？句子该怎么翻译？

问题 请问这里的从句为什么是一般现在时

We have studied English for six years when we enter the college.这里的enter的一般时态是什么思维？这个我想了解谢谢

问题 关于what should be的用法

Consequently, what should be an enjoyable time can become an imposition, as well as a disappointment at the same time.an enjoyable time can become an imposition是一个完整句子，请问前面的what should be作什么成分？

问题 Happy Christmas为什么不合英语习惯

有一句改错句子：The teacher wished us students a happy Christmas.参考答案是把 happy 改为 merry，解释说用 happy 不符合英语习惯。英语为什么习惯上不说 Happy Christmas? 不是可以说 Happy New Year 吗？