英语选择___isn't known.1._isn't known.A.if he has finished his work.B.when is he going home.C.whether he'll go with us.答案选C为什么?2.welcome to my home 3.our teacher told me that ___.A.the earth went around the sun.B.the earth

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英语选择_______isn't known.1._______isn't known.A.if he has finished his work.B.when is he going home.C.whether he'll go with us.答案选C为什么?2.welcome to my home 3.our teacher told me that _____.A.the earth went around the sun.B.the earth
英语选择_______isn't known.
1._______isn't known.
A.if he has finished his work.
B.when is he going home.
C.whether he'll go with us.答案选C为什么?
2.welcome to my home
3.our teacher told me that _____.
A.the earth went around the sun.
B.the earth moves around the sun.
C.the earth is bigger than the sn.
D.the earth is smaller than the moon.答案选B为什么?
4.this bus is always late,____?
为什么填isn't it 而不是 doesn't it
does 表示什么及其用法请说明

英语选择_______isn't known.1._______isn't known.A.if he has finished his work.B.when is he going home.C.whether he'll go with us.答案选C为什么?2.welcome to my home 3.our teacher told me that _____.A.the earth went around the sun.B.the earth
1、A项if引导条件状语从句,不能做主语
B项语序有错误,应该是when he is going home.
2、对
3、C和D是常识性错误,地球比太阳小,比月球大
这句活是一个常识性真理,这类句子只用一半现在时,所以A错.
所谓的真理,就是指大家都知道而且显而易见是对的,一般过很久也不会变的东西.比如,人类有两种性别.地球是圆的等等.
4、前面用的是系动词be的第三人称单数形式is,所以后面是那个
doesn't it用在前面是实意动词的时候,如take ,make,love,put等等吧.

1、B语法错误，主语从句中，疑问词后面应该用正常语序，is在he后面
简单疑问句当主语从句，疑问词用Whether
2、语法没啥问题，但是home用得很别扭，一般用house多
3、CD显然不对吧，不合事实
AB，地球绕太阳转，以前、现在、将来一直要转下去，应该用一般时态
4、反义疑问句，动词要和前半部分保持一致
本句前半部分是is...

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1否定句
2对但不是句子
3客观存在的事实用现在时CD项与事实不符

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1._______isn't known.
A.if he has finished his work.if不可以引导主语从句
B.when is he going home.语序不对
C.whether he'll go with us. 答案选C为什么?
2.welcome to my home 句子对不对?----对
3.our teacher told me that _____.
A.the earth went around the sun.客观真理用一般现在时
B.the earth moves around the sun.
C.the earth is bigger than the sn.地球会比太阳大吗？
D.the earth is smaller than the moon. 地球会比月球小吗？
答案选B为什么?
4.this bus is always late,____?
为什么填isn't it 而不是 doesn't it 该句联系动词就是is
does 表示什么及其用法请说明

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1.whether...not...表示是否怎么样，翻译是，他是否和我们回家还不确定。固定搭配属于。
2.对了
3.可以排除C D 因为这两个选项是不符合现实的。至于A和B 表示地球围绕太阳运动，要用move，不能用go 。
4.这是翻译疑问句，前面是系动词is，如果说the bus comes always late,就要用doesn't it?...

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第一题 B要改成when he is going homewhether
whether引导的从句可以作主语，而if不能，所以不能选A
更多wehther和if 区别参考http://zhidao.baidu.com/question/32047847.html?fr=ala0
第二题是对的
home作副词时不用介词to，如go home
而welcome to my home 中home 作名词，所以要加 to
第三题 The earth moves around the sun表示客观事实和普遍真理，用一般现在时。更多可参考http://baike.baidu.com/view/360594.htm?fr=ala0_1
第四题因为这里的谓语是is,所以用isn't ,如果谓语是does ,才用doesn't
更多关于反义疑问句http://baike.baidu.com/view/1656124.htm

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1.whether...not...是否。。。属于固定搭配
2.正确
3.地球围绕这太阳转动。表示客观事实，自然规律的一般发展要用一般现在时态，单三加S。
4.因为你的动词是is，属于be动词，所以反问用ISN'T。如果前面是实意动词go,come,反问用助动词does。。。

1:只有whether引导的句子能做主语
2：这句话是对的，如果把my去掉的话就错了
3：地球绕着太阳转是真理，所以谓语动词要用单数形式。
4：因为迟到late是形容词，谓语动词是is,所以填isn't it

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1、if作是否讲时从句不能做主语，B语序不对，应该是when he is going……
2、对
3、四个选项都是客观的，所不管是古人还是今人说，地球永远绕着太阳转，以虽然“老师说”是过去式，但说的内容只要是客观的，所以应该用现在时，排除A，地球比太阳小，比月亮大，这是常识，排除CD
4.、这是反意疑问句的语法问题，因为前面句子的谓语动词是 is，是肯定句，所以疑问部分用否定形式的，isn't.
如果前面半句的谓语动词是一般动词的话，比如说 he eats two eggs(他吃2个鸡蛋),这时候疑问部分就要用否定形式的，doesn't he?
dose是助动词，就像是当谓语动词是一般动词的肯定句变疑问句时前加does一样，如 Does he eat two eggs?

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1.whether所连接的从句可以充当名词，做主语。而if虽然也有是否的意思，但是没有这个用法。至于B也是不行的，when接的从句不能做名词的，一般是做状语。
2.对的
3.C,D是答案与实施不符，明显是不对的，关键是A和B。而地球环绕太阳转是客观事实，因此用一般现在时，所以排除A，选B。
4.前面的句子是用be动词而不是实义动词。如果说是You know the answ...

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1 第一个要填入的是一个名词性句子作主语，B选项语序不对，when 后面要用陈述句语序，题干中是is;t known，if就不能用。
2 welcome to my home是正确的
3 B选项是永恒不变的真理，要用一般现在是。C常识错误，太阳比地球大，D也是如此
4 还有BE动词的句子否定形势是加NOT于BE后，DOES 及DO等助动词是帮助实意动词构成否定和疑问的...

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英语选择_______isn't known.1._______isn't known.A.if he has finished his work.B.when is he going home.C.whether he'll go with us.答案选C为什么?2.welcome to my home 3.our teacher told me that _____.A.the earth went around the sun.B.the earth 英语高手帮忙看看这篇文章有什么语法错误或用词不当等等,请指出,didn't call me tonight.i am so glad.i have been afraid that h will call me,and i don't know how to face h.last night i made a right decision.from this case,i kno 4道英语首字母填空题求解1.Street a_____ happen almost every day,for there are more and more cars in the street.2.The changing v_____ colors of the sunset make us fascinated.3.The money isn't enough to f_____ a family of five.4.He didn't kno 求大神用中文读英语,没有木有?Baby you let me down I'm closing the door I can't bear to see Your sweet eyes anymore Every second that I stay I'm sinking further in To your clever little games And the heartache that they bring Don't you kno 英语选择15题1.Our class______that Li Ping be our monitor.A.said B.electedC.proposed D.demanded2.There are some mistakes in your writing.You should rewrite______.A.in part B.into a partC.partially D.now and then3.Amy looks very anxious.Do you kno 几道英语题,速……1 He asked me whom I_____for.A.am waiting B.wait C.will wait D.was waiting.2 Boys didn't know if there_____(be)an English party that day.3 We wanted to know if she___(ask)many questions in the next class.4 I want to kno 求Comsic Ride铃声、从【i don’t kno where you arem are you near or are you far 】开始的、英语选择. 英语选择. 英语选择. 英语选择. 英语,选择英语,选择英语、选择英语选择. 英语选择. 英语选择英语选择