100locked doors攻略
open什么时候用被动语态？
open什么时候用被动语态？
open做及物动词时都可以用做被动语态。
例句
1.
She motioned for the locked front doors to be opened
她示意把锁着的前门打开。
2.
The road will be opened again in a few hours after police have cleared it.
待警察清理完以后，道路在几小时内就会重新开放。
3.
The border, effectively closed since 1981, will be opened as of January the 1st
实质上从1981年就已关闭的边境将于1月1日开放。
seem to do中不定式作什么成分？
seem to do中不定式在句中作seem的表语成份。中文意思是“……似乎好像要做……/”。
例如，看看天上乌云密布，好像要下大雨了。Look at many black clouds,it seems to pour cats and dogs.
再如，他好像要出远门一样。因为他把所有门窗都关好了。He seems to get away from home for a long time,because he has locked all the doors and windows firmly.
chair换一个字母变成另一个单词？
把字母r换成字母n，组成新单词chain，意思是：n.链子链条锁链一系列，一连串(人或事)连锁商店。vt.用锁链拴住(或束缚、固定)。
例句： had strung the shells on a silver chain.
她把贝壳串在一条银链子上。
2.we can say that, you know, we have this chain of events.
我们可以说，大家都知道，我们有着这一系列事件。
doors were always locked and chained.
那些门总是上着锁链。