How silly it is to travel out by high-speed rail _____you can take a plane,whichis much cheaper.A.while B.when C.since D.though答案选B，可是C有既然的意思也能说通为什么不选？
...有翻译它，我联想起了somewhere）
例句1:They used steel pins to hold everyrhing in place.他们用钢钉将所有东西都固定住，in place是翻译成正确的地方?（翻译就两个:正确的地方，准备就绪）2He clipped his cufflinks neatly in place.他把袖口别得整整...
...译下面一句（2011年天津卷高考英语阅读C篇)Across the US, stories emerged of parents and children reading to each other at night and strangers chatting away on the bus about plot and character. 请分析一下句子结构和翻译一下句子，尤其是 plot and charac...
It's one thing to read about these things and fire off a know-it-all screed in the comments section of some website, but it's different when it's on your doorstep.这句话中when引导的从句是主语从句还是时间状从？同理由此引申出：如果it作主句主语，从句...
Travelling is one of those few activities that have a reset button in
our lives. You are away for a few days or weeks and come back fresh and ready
to take on new challenges in life.这里的fresh and ready用在come back后面，是否可以表示一种伴随状态？
In spite of the considerable work as China has done in its campaign to control smoking and use of tobacco, the situation of smoking control still remains grim.as这里是关系代词，在定语从句里面指代的是the considerable work，所以它在定语从句里面应该做宾语吗？
I was to have made a speech if _________.A. I was not called awayB. nobody would have called me awayC. I had not been called awayD. nobody called me away请问老师，这题if引导非真实条件句，为什么主句又用的过去将来完成时？还有请问怎么区分陈述语气的时态和...