为了帮助大家全面提升SAT写作功力，小编为大家整理了SAT写作中常用的经典词汇。
1. Plug
讲解：to fill a hole with a substance or piece of material that fits tightly into it
例句：He plugged the hole in the pipe with an old rag.他用一块旧破布把管子上的那个洞塞住了。
大家肯定都听说过亡羊补牢的故事吧。这个故事可以用在“advice”的话题。请大家把这个故事再温习一下：
Once upon a time, there was a shepherd who kept several sheep.
从前有个人，养了几只羊。
One morning, the shepherd discovered that one of his sheep was missing.It turned out that, during the night, a wolf had stolen his sheep through a hole in the sheep pen.
一天早上，他发现少了一只羊。原来羊圈破了个窟窿，夜间狼从窟窿里钻进来把羊叼走了。
His neighbor suggested to him: "You should fix the pen and cover the hole right away."
邻居劝告他说：“赶快把羊圈修一修，堵上那个窟窿吧。”
But the shepherd said: "The sheep is already lost, so I don't need to repair it." And so he rejected the neighbor's suggestion.
他说：“羊已经丢了，还修羊圈干什么呢?”他没接受邻居的劝告。
The next morning, he discovered that another sheep was missing.Once again, the wolf stole the sheep through the hole in the fence.
第二天早上，他去放羊，发现又少了一只羊。原来狼又从窟窿里钻进来把羊叼走了。
The shepherd regretted not taking the neighbor's advice.So he plugged the hole to secure the sheep pen.
他很后悔没有接受邻居的劝告，他赶快堵上那个窟窿，把羊圈修得结结实实的。
From then on, no more sheep was stolen by the wolf.
从此，他的羊再没有被狼叼走了。
2. Pen
讲解：pen在个故事里是“圈”的意思。
可以说 a pen of sheep一栏羊
a pen of one cock and four hens一公四母一窝鸡
3. So/as long as
讲解：so long as 和as long as 都是“只要”的意思。
As long as you are clear with what you want, take persistent action and you will eventually reach there.只要你清楚自己想要什么并坚持去做，你一定会实现自己的梦想!
You may use the book as you like, so long as you keep it clean.你尽管用这本书，只要不把它弄脏就行。
这些SAT写作中常用的经典词汇全部选自权威词典、主流报刊杂志、名人演讲、SAT写作高分范文等，都是SAT写作中常用的经典词汇，语言地道实用，希望大家认真背诵，熟练使用。
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