There is an old saying that America and Britain are "Two nations divided by a common language．" Are American and British English really so different？
    Vocabulary
    The biggest difference between American and British English is vocabulary．In their everyday lives，there are many different words．For example，Americans eat cookies，while British people eat biscuits．
    Collective Nouns （集合名词）
    There are some grammatical differences，such as the use of collective nouns．Americans would say，"The team is good．" But people in the UK might say， "The team are good" or "The team is good．"
    Auxiliary Verbs （助动词）
    Another grammatical difference is about auxiliary verbs．Look at the auxiliary verb shall．British people sometimes use shall to express the future．For example，"I shall go home now．" Americans seldom use it in their conversations．They would use "I will go home now．"
    Past Tense Verbs
    Americans like to use the -ed ending，while British people like to use the -t ending．For example，in American English，the past tense of learn is learned．But in British English，it is learnt．
    Tag Questions
    What is a tag question？Here are two examples， "The weather is fine，isn't it？" or， "You don't like him，do you？" Americans use tag questions less often than British people．
    Spelling
    We can find differences in the American spelling of words like humor（from humour）．Americans give up the letter u to make the spelling match the pronunciation （发音）．
    British and American English have more similarities than differences．Most Americans and British people can understand each other easily．

American and British English
Six（1） differences differences	Vocabulary	Americans and British people use a lot of different words in their （2） everyday everyday lives，such as cookies and biscuits．
	Collective Nouns	Americans would say "The team is good"，while （3） British British people might say "The team are good" or "The team is good．"
	Auxiliary Verbs	British people sometimes use shall to express the （4） future future ．Americans would use will （5） instead instead of shall in their conversations．
	Past Tense Verbs	Some past tense verbs （6） end end in -ed in American English but in -t in British English．
	Tag Questions	Americans do not use tag questions as（7） often often as British people．
	Spelling	Americans give up the letter u to （8） match match the spelling with the pronunciation．
Conclusion	British and American English have （9） fewer fewer difference than similarities． It's not very （10） difficult difficult for most Americans and British people to understand each other．