问题 in the period before的before用法

这里的before是介词，还是能引导时间状语从句？

话题 the first Indian born woman in space

问题 句型判断(判断句子主语)

下面句子结尾中are的主语是谁？With the credit card it is unnecessary to carry large amounts of cash and are always useful in emergencies.

问题 at night, by night, in the night的区别是什么

at night, by night, in the night 这三个短语意思比较相近，一直没弄清它们的区别，请专家老师帮忙讲解一下，非常感谢！

问题 in 1937 not in 1927 能否省略后面一个介词

He joined the Party in 1937, not 1927.请问这个句子对吗？要不要在 not 后面加上介词 in？说成：He joined the Party in 1937, not in 1927.

问题 the polar particles iron solar system的iron是什么意思

这个 iron 怎么讲？原句：Even a telescope in arbit round the earth,like the very successful Hubble telescope would not be suitable because of the dust particles iron solar system.难道 dust particles iron 是一个天文学的粒子词？iron 不是铁的意思吗!

文章 高中英语新课标词汇-教学参考资料-teenager

...中），有时teenage也可简化为teen。如：All my children are in their teens. 我的孩子都十几岁了。The early teens are often a difficult age. 10 岁出头往往是个麻烦的年龄。She had been smoking heavily since her teens. 她从十几岁起抽烟就抽得很凶了。要表...

问题 be for the same day 为什么用 for 不用 on

原句：Either way, his reservation was for the same day as his murder, so at the very least, I'd like to know what—or whom—he was doing there.（出自美剧《Elementary》S06e16，00:11:02,480 --> 00:11:03,840）这里的 was for the same day，为什么使用for，而不是on呢？

问题 down用于句首的意思和用法

Down in a corner of the garden behind all the raspberry bushes was a dense thicket where neither flowers nor berries would grow. 这句话中的down是什么意思？

问题 介词in的用法

1⃣️Show an interest in your children’s friends. 2⃣️Encourage creativity in the young. 3⃣️He has no say in the matter. 在词典判断不出对应的in意思，请问这三个in是什么意思？谢谢

问题 英语句子结构分析

There is no conclusive proof,but Mr.Hal Gregersen says it is unlikely that Mr.Jobs could have reshaped industries beyond computing,as he has done in his second term at Apple,without the experience outside the company,especially at Pixar---The computer-animation studio that created as string of criti...

问题 as从句为什么要用非谓语动词

As the World Expo having been held for 153 years, Shanghai with a population of 17 million will become the first to host in the developing countries.请问as在这里引导的这个从句为什么要用非谓语，谢谢！

问题 非谓语的用法

Written as the Japanese bureaucrat steamed to safety in New York aboard ,the ocean liner Carpathia,which rescured 706 survivors, the account and other document released by his grandson last week offered a remider of the tragety.翻译：日记写于他被送往纽约的途中，身为日本政府官...

问题 分析句子成分:There are birds flying in the sky.

There are birds flying in the sky.曹老师您好，后面的分词结构应该是定语，但也有人分析为其它的成分，还麻烦老师分析一下！谢谢!

问题 Spring is the season to fly kites in.(句末介词是否要)

这里能加in吗？我知道不要in，这个句子是对的，不定式和名词的动状关系？