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问题 if 条件句可以改成 if doing sth 吗

If stopping being a couch potato and to go outside regularly, they would certainly get away from the trouble.请问这个if条件句用的对吗？

问题 find sth difficult to understand 如何分析句子成分

He found the text difficult to understand.这句话中的不定式是做什么成分？

问题 句子成分/逻辑分析

在句子 The two professor hope to refute that idea ,claiming that just as when kids walk themselves through a  process ,adult can benefit from using language not just to communicate ,but also to help thinking.句子里，claim后面接的宾语从句部分的when引导的句子（时间...

问题 先行词为人时关系代词用who,that何区别

The boys ______are playing football are from Class One.这道题是不是填 who 和 that 都可以？

问题 prove现在进行时意思存疑

Six men have been trapped in a mine for seventeen hours. If they are not brought to the surface soon they may lose their lives. However, rescue operations are proving difficult.  以上摘自新概念2的一篇课文。请问老师这里prove为什么用现在进行时？证明就证明了...

问题 half a world away所做的成分

Almost immediately word flashed on the internet and was picked up,half a world away,by John Hofsess.请问这里的half a world away 是形容词词组吗？作什么成分修饰谁？

问题 somebody else, somebody's else比较

His isn't fit for the work. Please get me ________. A.something else B.somebody else C.someone else's D.somebody's else请问老师这题怎么分析？

问题 aimed at 和 aiming at问题

改错题：Aiming at little children, the film was very popular with most of us. 答案：Aiming →Aimed 疑问：这整个句子是什么结构?            为什么改为Aimed?            考察了什么知识点？

问题 used to选择题的问题

His earnings were onlf half the amount __.A as they used to B they used toC they used to beD they were used to请老师讲解一下，为什么答案选 c? (为什么有一个 be? ，如果A项是 as they used to be是不是也正确了？）

问题 这个 and 是多余的吗（2018全国卷Ⅲ七选五）

这是2018全国卷Ⅲ七选五中的一个句子，这个 and 是多余的吗？We dance at weddings, birthdays, office parties and just to fill the time. 

问题 can survive falls from...为什么有两个动词？

That cats can survive falls from great heights is supported by the facts.为什么同时有survive 和 fall 两个动词？

问题 convince的非谓语动词选择题

这道题是否选D?非谓语也有时态变化，后边是过去式，前面是否应该为having been convin: ________that I was right, I went on with the proposal. A. After I concvinved B. After convincing C. Convincing D. Convinced

问题 as it comes 怎么理解?

...这里的comes约等于happens吗？理解成...as it comes/happens that the forecast is. 意思是 和平常一样？麻烦老师批评指正！

问题 句子翻译

...me for salt-tolerant rice varieties was established in India to promote the salt-tolerant rice varieties Kala Rata l-24 and Bhura Rata 4-10, and salt-tolerant rice varieties BRI、BR 203-26-2、Sail and others developed in Bangladesh.”是否合适？

问题 拜登就职演讲中far的成分分析

拜登就职演讲中有一句We are good people. And over the centuries, through storm and strife, in peace and in war, we've come so far, but we still have far to go.请问句中倒数第三个词far的语法成分该怎么解释？还是固定搭配或习惯用法？