问题 helpful, useful(有用, 有帮助的)区别

老师你好！helpful, useful表示“有用”,"有帮助的"意思时，区别

话题 using与with

话题 uses搭配的介词

问题 used to be前it的含义

It used to be a very prosperous town. It used to be that any teen who wanted a summer job could get one. 请教老师，it是形式主语？还是虚指代词？为什么？谢谢老师。

问题 they are used to 后面省略了什么

They will now have to keep London and its visitors secure with less money than they are used to.请问老师 they are used to 是后面省略了什么吗？

问题 非限制性定语的简化

...remarkable life.句中的never given up on，是非限的简化么，省略which is？    有人说这是条件句的简化，我不太确定.2、例句：children spend four hours a day looking a screens, split between watching television and using the internet.句中的split 也是非限的简...

问题 use可以和时间搭配吗

花费时间做某事通常用spend,想知道是否可以使用use some time to do sth?or doing sth词典上没看到有和时间搭配例句。

问题 used to 可以用于现在吗

书上说 used to 的意思是“过去常常”，是不是它只能用于指过去的情况，不能用于指现在的情况？如果表示“现在常常”呢？怎么办？

问题 动词时态选择题（涉及used to)

She used to have breakfast at 9. But nowadays she _____ it at 10.A.is having            B.hasC.is to have           D.is used to have这道题里选什么时态？

问题 suspecting与suspicious的选择

...ike films such as Mission Impossible and Kingsman (《王牌特工》), in which agents are all masters of high-tech tools, Johnny English is an old-fashioned hero, suspecting/suspicious of modern technology and not even willing to use a smartphone. That puts him in various dangerous situations.这...

问题 关于for+doing的疑问

...。　①说明被修饰名词的用途和性能。a reading room = a room which is used for reading 阅览室running shoes =shoes for running 跑鞋a working method =a method for working 工作方法……请问for reading、for running和for working，为什么用for加动名词形式，而不是t...

问题 三道单项填空题（涉及定语从句和hit与strike的区别）

...past   B. the past              C. which of the past    D. these past答案为A，C为什么不行？which不能代替前面出现的词么？which不能代替复数名词不达意？谢谢！3. Two yeas ago, a terrible tsunami _____ most of the Indi...

问题 这里不定式是后置修饰语修饰use还是作目的状语

原句：Such chemical communication can be compared to the human use of visual and auditory channels（as in religious chants.....）to arouse and propogate moods and attitudes.to arouse and propogate moods and atittudes的成分是什么？修饰对象是谁，如果修饰use的话，use作为名...

话题 out of use

话题 in being useful