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问题 不符合通常句式的强调句

填that, 因为是强调句，但不是很明白，请老师分析下:But do you know what it is ______ that _______ makes the weather change?（一般形式应该是it is...that 啊？）

问题 serve的用法与理解

想请教你，如按照serve的字面直译是：营销预算为谨慎的考虑服务，好像不太对。我应该如何理解这个serves：The marketing budget serves careful consideration, because it not only serves to create market mpressions, but it is expected to generate benefits.

问题 将来进行时表推测问题

请问将来进行时表推测时，必须基于present evidence 吗？有没有权威的例句Those clouds look very dark. It will be raining soon.=Those clouds look very dark. It is going to rain soon.

问题 时态一致性问题

Clever as he was, he found it difficult to solve the problem.这里用过去时是不是不太好？(暗示he现在不clever了?)我觉得应该用现在时，改成下面这样：Clever as he is, he found it difficult to solve the problem.请问我理解得对吗？

问题 定语从句强调疑问

I caught sight of the criminal in the hotel where i stayed.强调宾语：It was the  criminal that I caught sight of in the hotel where i stayed.I bought the book I like.强调宾语：It was the book I like that I bought.这样是没错的吧？

问题 现在分词可否做主语补语语

They were pushed into battle ______.A prepared              B unpreparedlyC not preparing it     D without preparing it答案选A, 这个我能理解，但CD为啥不行呢，按现在分词作伴随状语的理解可以吗?

问题 表语从句还是同位语从句

各位老师：It appears that all the files have been deleted. 这个句子为什么是主语从句，不是表语从句呢?There is a common effect that it will affect the economic growth.这个是同位语从句吗?

问题 When is your birthday的回答

When is your birthday?常见回答是：My birthday is on...是否可以用it来回答，即It is on....

问题 句子中非句成分理解

The touchdown wrapped up the Shenzhou 13 mission, which spent a national-record six months in orbit, the vast majority of it aboard Tianhe.如何理解 the vast majority of it abroad Tianhe 这一非句成分在句子中的作用？他是属于名词做状语吗？

问题 现在分词短语用法疑惑

...or cave formation because the rock is soluble, meaning water will dissolve it.请问老师：1  现在分词短语 meaning water will dissolve it 在句子中做什么成分？修饰前面的句子 the rock is soluble？2  可以提供类似用法的例子吗？

问题 考研难句:结构分析和句子理解

It should be observed,of course,that no school ,vocation or not ,is helped by a confusion over its purpose.我对这话不理解，主要是后半句好难懂，求解!

问题 插在句子中的短句作什么成分

Keeping confident, it is acknowledged, is good for better performance. 请问it is acknowledged作什么成分？谢谢老师！

问题 并列连词并列的句子成分不一致

He either has it or he doesn't. either后是谓语部分has it 那为什么or后面不是谓语部分，主语he也加上了呢? 谢谢！

问题 强调句和定语从句的辨析判断？

It was a cassette radio that John bought at the supermarket.1）这是强调句，可以分析成定语从句吗？2) 把It改成This，就是定语从句了吧？

问题 if 条件状语从句（真实条件句）

It could only get over the mountains if it rose to 10,000 feet. 请问，这是“if 条件状语从句（真实条件句）的假设过去”吗？ 那“主句”为什么不用“过去将来时would do”呢？