问题 反义疑问句中的must问题

You must have waited for me for a long time ,haven't  you?He must have gone swimming yesterday ,did' he?我知道两个must都表推测，后面的疑问句动词为什么不同?

问题 it does for us......

It does for us what few of us have the technique －even if we had time －to do for ourselves. 老师好。这句话从语法上该怎么理解呢？it 是 what few of us have the technique to do ？

问题 分析句子

I'm trying to do what is best, but equally I've got to consider the cost.我在想尽力做得最好,但同时我也得考虑费用。问题1: what is best主系表结构算从句吗？问题2: 为什么不用try to do sth best, I'm trying to do what is best 我在尽力做最好的某...

问题 as比较结构疑问

1.I've never seen as old a car as this before.2.I've never seen a car as old as this before.3.I‘ve never seen a as old car as this before.都是对的吗？

问题 改错：He had so obstinate characters that no one liked him.

问题 宾语从句不能省略情况

We think you are right.We think that you are right is certain.we think that the trouble is that the key was broken.宾语从句多个谓语的时候，that就不可以省略吗？

问题 名词或代词+alone的使用疑问？

He walks us through France a nation that alone attracts almost 90 million tourists a year.他带领我们穿过法国，这个国家每年仅吸引9000万游客。1）牛津词典说alone 通常用于名词或代词后，表示“唯一，只有“  或  “仅仅，单，只”那么，...

问题 and和or的选择

Don't talk ___ don't play in class.A. and   B. or请问选哪个答案是正确的，为什么?

问题 一个句子成分分析，pulsating your body...inventions究竟是什么成分？

...gs, pulsating your body parts with low voltage, rubbing your skin or using other inventions, only postpone the agony while the disease behind it will continue thriving. 请问:这个句子的pulsating your body...inventions是否做pain management techniques的后置定语呢？whether引导的...

问题 and的连接和to do 连接的问题

People who help doctors and look after patients are called nurses.此句中and 可以换成 to do 么？也就是help sb to do  在意思不变的情况下可以互换么

问题 “复数+and+复数”作主语时连用all还是both

Myths and legends are _____ very old stories.A. all    B. both请问如何选？“复数+and+复数”作主语时连用all还是both？

问题 关于分词转化为定语从句疑问

I know the boy who is running in the park.I know the boy running in the park.不应该是等于：I know the boy who ran in the park？

问题 there be句型和非谓语

there are some places having some garbage cansthere are some places with some garbage cans这两句后面having和with是不能当作非谓语和介词短语对吗？那there be sth /sb doing这里是怎么用的?

问题 句子分析

... will consider ourselves most successful if it acts as an incentive not to have it invoked in the first place如果这项法令能激励人们维护传统道德观念，而不是首先考虑要付诸法律，对簿公堂，那我们这些奋力推进这一法令的人将会很有成就感。请问...

话题 the way、in the way 、in the way that 的使用与区别