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问题 and while 可以连用吗

《For and Against》第16课有句话： They adopted a policy of neutrality, and while the rest of the world seethed in turmoil.问题：请问两个连词可以并用吗？and 和 while是否只用其中一个比如while 就可以了？

问题 关于非谓语being的运用

请问，In the light of many adult children not being able to visit their aging parents frequently, many old people have to endure loneliness.这个句子中的being是否可以省略掉？【这句话来自一篇四级真题范围】

问题 be to do

If i were to choose a job now, i would become a jouralist, an investigative journalist in particular.请问：此处表示对现在的虚拟，为什么用对将来虚拟的be to do?   (be to do 用于条件句都有哪些情况呢？)

问题 句式中have的理解问题

We would love to have you join us again next week for THIS IS AMERICA in VOA Special English.请问have在此例句中是什么意思,是相当于let吗?  for...在这里是表示目的还是原因??

问题 sorrowing 是现在分词作作伴随状语吗？

They sank down sorrowing, without waiting for it to come in words. 上面：sink down sorrowing - 这里down是副词，sorrowing 是现在分词作作伴随状语吗？

问题 地点名词放句首

Singapore, known as a gourmet's paradise, do not have to go out here, you can eat exotic food.①这句话的主干是什么？②为什么在没有连词的情况下有两个谓语动词，一个是have,一个是eat③Singapore作为地点既不当主语，为何前面没有一个地点介词呢？...

问题 when引导时间状语从句

When the children were 12 or 13, they used images to best depict what they perceived their bodies to look like and were asked whether or not they engaged in any dieting behavior.在这句话中，when引导了时间状语从句吗？

问题 同位语还是定语从句

Gulangyu (鼓浪屿) is an island in Xiamen, a few minutes by ferry from downtown. 各位老师，请问后半句是什么语法现象?有人告诉我是同位语，但是同位语一般都是一个名词解释另一个名词，这种例子的感觉见得比较少。想问这个是定语从句吗？

问题 where引导的名词性从句的疑问

The ministry provides advice to the government on where to focus its interventions in the cultural sector.书上说这是where引导的名词性从句，我认为不对。

问题 分词与动名词

Studies estimated natural community grazing rates by measuring feeding rates of individual zooplankton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers.在句子最后using前面是不是应该加by，因为是通...

问题 to find在句子中的成分

Symptoms of pervasive anti-intellectualism in our schools aren't difficult to find.请问老师，find后面不用接宾语吗？

问题 wish后面的宾补选择疑问

I wished him        in his new business.A、success    B、a victory     C、an invention     D、discovery此题wished的宾补为什么不可选B？

问题 the world指“全世界的人”时表单数还是表复数

看到这样一个句子：All the world knows that pollution has become a serious problem. 全世界的人都知道污染已成了严重问题。既然是“全世界的人”，就应该是表示复数意义吧？那为什么句中的谓语动词用了单数knows呢？请问专家老师：the worl...

问题 all time与all the time可互换吗

...all time 吗？如以下两句中的 all the time 可换成 all time 吗？That old car of mine gives me trouble all the time. 我的那辆旧汽车总是给我添麻烦。You can’t work all the time—it does you good to go out and enjoy yourself sometimes. 你不能总是工作，有时出去放...

问题 含有比较状语从句的复合句的句子成分

...s much as you do. 我只赚你的一半钱。This rope is twice as long as that one. 这根绳子比那根长一倍。The woman married a man poor as herself.We have to run as fast as possible.It is wise to seek help and counsel as soon as possible.老师，...