短文改错。
     以下标有题号的每一行均有一个错误，请找出，并按下列情况改正：
     此行多一个词；把多余的词用斜线（）划掉，在该行右边横线上写出该词，并也用斜线划掉。
     此行缺一个词：在缺词处加一个漏字符号（Λ），在该行右边横线上写出该加的词。
     此行错一词：在错的词下划一横线，在该行右边横线上写出改正后的词。　

My hometown is a pretty city,so people there are　　　　　　　　 kind and polite. With coming of spring,grass and 　　　　　　　　 trees turn green, and flowers grew in many colors.　　　　　　　　　 In summer, the sea under the blue skies is even more　　　　　　　　　 beautiful. After autumn arrives,the city looks as an　　　　　　　　 old man with leaves fallen from the trees. In winter,　　　　　　　　 a lot of white birds come to my city for food. I can　　　　　　　　　　　 wait more patiently above the sea for quite a long　　　　　　　　　　　　 time. While they find fish come to the surface, they　　　　　　　　 fly down immediate and catch them without delay. 　　　　　　　　 That is my city, and I love it so much.	1. _____ 2. _____ 3. _____ 4. _____                        5. _____ 6. _____ 7. _____ 8. _____ 9. _____ 10. _____
1. so-and    2. whith后面加the  3. grew-grow   4. skies-sky   5. as-like 6. fallen-falling 7. I-they 8. 去掉more 9. While-When 10. immediate-immediately
You have failed two tests. You"d better start working harder, _____ you won"t pass the course.
[     ]
A. and B. so C. but D. or
Reality is not the way you wish things to be, nor the way they appear to be, _____ the way they actually are.
[     ]
A. as B. or C. but C. and
Help others whenever you can _____ you will make the world a nicer place to live in.
[     ]
A. and B. or C. unless D. but
Between the two generations, it is often not their age, _____ their education that causes misunderstanding.
[     ]
A. like B. as C. or D. but
I"d like to study law at university _____ my cousin prefers geography.
[     ]
A. though B. as C. while D. for