As the average age of the population increases, there are more and more
old people to care for.问：此句中 to care for为不定式作old people的后置定语成动宾关系，为什么不用不定式的被动语态：to be cared for?
...然后谓语动词跟前面一样就省略了，相当于两个方式状语从句。但是这样的话，两个状语从句之间就没有并列连词进行并联。有个自称老师的人说主句结构是sb look at sth as sth.的结构，后面as at something wholly beyond his comprehension这里...
...结构可以作为状语，但是我发现一个句子的用法很像是作定语，想请大家讨论一下状语He walked into the dark street with a stick in his hand. 他走进黑暗的街道时手里拿着根棍子。疑似作定语a piece of paper, wood, etc., with words or pictures on it that...
...师好，Laboratory rats and mice live up to 40 percent longer than usual when fed a diet that has at least 30 percent fewer calories than they would normally eat but that otherwise contains all necessary vitamins and nutrients.请问老师，第二个划线处为什么不是that...
翻阅剑桥语法时 发现有道题目When is Martin going away? 回答：He has already gone (away).When does Linda start her new job? 回答：She has already started (it).我不太明白为什么回答里括号内的内容可以省略请老师们指教一下，谢谢！
...nap. “I thought you
bought it at Macy’s.” “This my box I hide long time ago. Already tell you this.
This box always want show you.” 我简单说一下提问的原因：对于 beyond+adj 的理解，我与Alex119老师理解不一样：我个人的理解：beyond+adj
= beyond +being adj（...
原句为词典例句：Ostriches are believed to bury their heads in the sand when frightened.
现转换如下：It is believed that ostriches will bury their heads in the sand when (they
are) frightened.恳请老师核对正确与否?