State name, nationality and English Mandarin (at least 20)

When learning national vocabulary, we should pay attention to the following six aspects:

1.？ When writing ethnic characters, the first letter of each word should be capitalized. ?

China, China, from China, China; China?

2.？ Memorize national vocabulary through the table below. ?

3.？ The singular of Chinese nouns becomes plural, which can be remembered by the formula: Japan-China friendship remains unchanged, Britain-France alliance a→e changes, and other countries add suffix S. ?

4.？ English is the official language of Britain, America, Canada and Australia. ?

5.？ Idiom with national words: Chinese? Walls is strictly confidential and foolproof; American? Dream that everyone is free and has equal opportunities; Take? French? Leaving without saying goodbye?

6.？ Attention should be paid to the use of national words in the conversion of synonymous sentences. For example:?

Me? Coming? From where? America. ? = Me? Me? From where? America. ? = Me? Me? Americans. ? = Me? Me? Ann? Americans. ? I am an American.