A skilful hand at improving tools, Mike helped to make a new type of cutter. 这句的A skilful hand at improving tools 为什么是同位语呢，它也可以说是原因状语Because Mike has a skilful hand at improving tools，甚至是伴随状语呀！
老师请问：After _____ seemed an endless wait, it was his turn to enter the personal office. A it B what C that D there答案把它看作是after引导的宾从，这个句子为什么不能理解为after 引导的时间状语呢？谢谢.
老师你好！下面两道题是成人高考教材里的题目，我不懂 请指教！用适当的物主代词或反身代词填空:Everyone took ____place on the platform.
Each pupil was asked to tell ____interesting life in the summer camp.
I want to stay with my poor mother, but the doctors warn me that she may linger on as she is, or be a permanent invalid. 这句话粗体部分的意思我大概是明白的，但是as she is这个是什么成分？具体怎么翻译？它省略了什么啊？还有这个or be的前面省略的是s...
I'm sure you know that this group was set up to help disabled people like me.这个句子中的you know是宾语从句吗？you know后面用that引导了又一个宾语从句，从句套从句，这种I'm sure that句式后面接从句套从句的情况多吗？
The most damaging charge against the two men is that they risked their
country’s fortunes (“success is the child of Audacity” says one of
Disraeli’s characters) to feed their egos. 引述分句倒装，是因为直接引语短的缘故，所以谓语前不加逗号吗？
celebration1. [C] a special event that people organize in order to celebrate sthbirthday / wedding celebrations
英语中有很多名词，难以理解它为什么是可数的。比如上面是词典上查到的关于celebration的解释，不就是一场庆祝活动吗，为什么要用复数形式...
Though lacking money, his parents managed to...在这个句子里though是什么词性呢？为什么可以直接加lacking而不需要写Though they
lacked money呢？though引导的状语从句可以省略与主句一致的主语以及be动词，但补充的完整句子里没有be动词啊？
...用适当的介词。例如：The foreign expert with whom
we’ve worked together for two years is returning
home next week. 与我们一起工作了2年的那位外国专家下星期就回国了。（赵俊英：《现代英语语法》p.188）【说明】（1）因为work with sb.表示“与某...
Full pension is 50 francs a day. 全部退休金为每天50 法郎。You can get 10 francs to the pound. 1英镑你可换10法郎。He changed his dollars into francs. 他把美元换成了法郎。请问这些句子中的 francs 仅指法国的货币吗？