such 为形容词，意为“这（那）样的；这（那）种；如此的”，主要修饰名词，而 so 是副词，意为“这（那）么；这（那）样；如此地”，主要修饰形容词、副词和分词，也即 so 修饰后意思基本上不是“什么什么的”就是“什么什么地”，所以做这类题目的时候，不要被表面的形容词或副词所迷惑，要找准核心词，只要把握这个原则，考试就能迎刃而解了。
一、用 so，such 和 such a/an 来完成下面的句子。
1. It's _____ warm today that I'm the beach.
2. We're _____ pleased with these new towels that we're going to buy some more.
3. He has done _____ foolish things that he will get into serious trouble.
4. He made _____ generous contributions to the university that they are naming one of the new buildings him.
5. This hedge grows _____ fast that we have to trim it often.
6. We had _____ good time that we hate to leave the party.
7. The thief came in _____ quietly that the sleeping couple never heard him.
8. He is _____ extravagant that all his money is spent long before his next pay check.
9. Those are _____ great moments that will never be forgotten.
10. He wastes _____ much time watching television that he never finishes his homework.
11. He has read that book _____ many that he knows it by heart.
12. Her work at the university has been _____ poor that she is thinking of leaving.
13. This is _____ beautiful piano that I'm sorry I have to sell it.
14. It was _____ delicious meal that we asked the chef for its recipe.
15. They are _____ stingy that they never want to eat out.
16. They are _____ boring people that we hate to visit them.
17. There was _____ crowd in the street that we could hardly move.
18. Helen was _____ bored that she started singing to herself.
19. It was _____ expensive vacation that I regret it.
20. You were _____ rude to her that he won’t talk to you again.
21. The student was _____ tired that he fell asleep watching a movie.
22. You are _____ popular that envies you.
23. I have _____ great relatives that I never feel alone.
24. They were _____ hungry that they ate as if they hadn’t eaten for days.
25. He is making _____ loud noise that I cannot concentrate on my work.
26. We will be _____ far away from you by the time you get this letter.
27. He was _____ fast that I could hardly see him passing by.
28. It was _____ rainy day that it seemed as if the sky was dropping on our heads.
29. The place was _____ loud that we could barely here each other.
30. My brother has _____ interesting stories that you will never get bored listening.
31. The cake is _____ delicious that I can eat it all by myself.
32. My internet connection is _____ slow that I’d rather use a dictionary.
二、答案、参考翻译及解析
1. so
今天太热了，我要去海滩。
解析：此句的核心词是 warm，是形容词，所以用 so.
2. so
我们对这些新毛巾很满意，打算再买一些。
解析：此句的核心词是 pleased，是形容词，所以用 so.
3. such
他做了如此愚蠢的事，会惹上大麻烦的。
解析：不要被 foolish 所迷惑，核心词是 things，所以用 such.
4. such
他对大学作出了如此慷慨的贡献，以致于他们以他的名字命名了一座新建筑物。
解析：不要被 generous 所迷惑，核心词是 contributions，所以用 such.
5. so
这树篱长得太快了，我们不得不经常修剪它。
解析：核心词是 fast，所以用 so.
6. such a
我们玩得很开心，不想离开聚会。
解析：核心词是 time，在这里它译为”时光“，是可数名词，所以用 such a.
7. so
小偷悄无声息地进来，熟睡中的那对夫妇根本听不见他说话。
解析：核心词是 quietly，是副词，所以用 so.
8. so
他太奢侈了，所有的钱都在下次发工资前花掉了。
解析：核心词是 extravagant，所以用 so.
9. such
那些是如此伟大的时刻，永远不会被忘记。
解析：核心词是 moments，所以用 such.
10. so
他把看电视的时间浪费得太多了，以至于他从来没有完成家庭作业。
解析：当复数名词或集合名词之前有 few，many；不可数名词之前有 little，much 修饰时，用 so，此句中的 time 是不可数名词，译为“时间”，它由 much 修饰，所以用 so.
11. so
那本书他读了很多遍，他都背熟了。
解析：当复数名词或集合名词之前有 few，many；不可数名词之前有 little，much 修饰时，用 so，此句中的 time 是可数名词，译为“次，回”，它由 many 修饰，所以用 so.
12. so
她在大学的工作太差了，她正考虑离开。
解析：此句的核心词是 poor，是形容词，所以用 so.
13. such a
这架钢琴太漂亮了，我很遗憾我不得不把它卖掉。
解析：此句的核心词是 piano，是可数名词，所以用 such a.
14. such a
这顿饭太美味了，我们向厨师要了菜谱。
解析：此句的核心词是 meal，是可数名词，所以用 such a.
15. so
他们太小气了，从来不想出去吃饭。
解析：此句的核心词是 stingy，是形容词，所以用 such a.
16. such
他们太无聊了，我们讨厌去拜访他们。
解析：此句的核心词是 people，是集体名词，所以用 such.
17. such a
街上人山人海，我们几乎动弹不得。
解析：此句的核心词是 crowd，是可数名词，所以用 such a.
18. so
海伦太无聊了，她开始自言自语。
解析：此句的核心词是 bored，是形容词，所以用 so.
19. such an
那是一个非常昂贵的假期，我很后悔。
解析：此句的核心词是 vacation，是可数名词，且 expensive 是以元音开头的，所以用 such an.
20. so
你对她太粗鲁了，他不会再和你说话了。
解析：此句的核心词是 rude，是形容词，所以用 so.
21. so
这个学生太累了，看电影睡着了。
解析：此句的核心词是 tired，是形容词，所以用 so.
22. so
你很受欢迎，每个人都羡慕你。
解析：此句的核心词是 popular，是形容词，所以用 so.
23. such
我有这么好的亲戚，我从不感到孤独。
解析：此句的核心词是 relatives，所以用 such.
24. so
他们饿得像好几天没吃东西似的吃东西。
解析：此句的核心词是 hungry，所以用 so.
25. such a
他太吵了，我无法专心工作。
解析：此句的核心词是 noise，在这里 noise 是特指某一声音，是可数名词，所以用 such a.
26. so
你收到这封信时，我们已经离你很远了。
解析：此句的核心词是 far，是副词，所以用 so.
27. so
他跑得太快了，我几乎看不见他经过。
解析：此句的核心词是 fast，是副词，所以用 so.
28. such a
那是一个下雨天，天好像要落在我们头上。
解析：此句的核心词是 day，是可数名词，所以用 such a.
29. so
这地方太吵了，我们几乎不能在这里见面。
解析：此句的核心词是 loud，是副词，所以用 so.
30. such
我弟弟有这么有趣的故事，你听了永远不会感到厌烦。
解析：此句的核心词是 stories，是可数名词，所以用 such.
31. so
蛋糕太好吃了，我自己都能吃了。
解析：此句的核心词是 delicious，是形容词，所以用 so.
32. so
我的网速太慢了，我宁愿用字典。
解析：此句的核心词是 slow，是形容词，所以用 so.