...听力里有一句话： A 16th century castle in Scotland is close to collapsing after lumps of soil were washed away by floods, threatening its foundations. 请问这里的threatening的逻辑主语是谁？
soil和floods好像不太对，还是说是"lumps of soil were washed away...
请教老师们：These things did not happen to these people because they were lazy or stupid. They happened because of addiction. New college students，even the brightest and most successful ones，are most at risk from these effects because the Internet is important for their studies and because...
Crutzen has suggested that the Antropocene began in the late 18th century, when, ice cores show, carbon dioxide levels began what has since proved to be an interrupted rise.
此处的ice cores show为什么要作插入语，另外有begin后可以接宾语分句吗？
When there is an allergic reaction or when insects like mosquito bite, the itch receptors of that region send itch signals to the brain.句中应该用bites吗？ 即when insects like mosquito bites ?
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...
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...