Passage Four
The English language we know today is about six hundred years old. For half that time, English was just the language of the people living in England. The modern English language grew by about the year 1 400. Now English is the most widely spoken language in the world. It is one of the working languages at international meetings, business, science and other fields.
The differences between American English and British English are not very great. Written English is more or less the same in both Britain and America, though there are some spelling differences. For example, centre, licence, colour and travelled are spelt as center, license, color and traveled in American English. In America "cock, rubber, iii, holiday, lorry, post... "are called "rooster, eraser, sick, vacation, truck, mail..." But people from the two countries can still understand each other easily.
There are only a very small number of differences in gra
A. it isn't necessary to know their differences
B. there are only a few differences in spoken English
C. it will be difficult for others to understand you
D. it's hard to remember the differences at the same time
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