We could see that the larger of the Brothers (an island) rose sheer out of the sea,____ some two hundred feet high.A.the cliffs wereB.being the cliffsC.with the cliffsD.the cliffs being这里为什么不选C而选D呢?
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?
The above inventory of natural selection specializations would be remarkable enough, but what really separates the chameleon from its fellow reptiles is the fact that its scales contain the ability to change color.
It's pointless unless there is repeatable porcesses in place to turn inspiration into financial performance.其中的 in place to turn 跟 in place of 可以互換嗎?代替 換化的意思?
Increased efforts by green groups ______(educate) the public about the benefits of recycling have also helped.老师,这边的by,不是表示方式,而是表示这些努力的实施者吧,但是怎么看不到被动的存在?这里的空 为什么不可以填educated,表示已经完成...