"america is a country on wheels"的含义是?哥哥!姐姐 教教小弟吧!

America is a big country. Bill is form America,he is a America boy.改错 Betty is from _____she is an ________girl A:America;American B:American;America C:America;America选择填空 This is a stamp____(来自）America. 什么is a river in South America a frog in south america is the ```` 为什么不是a frog of south america is the ```` It is our belief that improvements in health care will lead to a stronger,more prosperous countr...It is our belief that improvements in health care will lead to a stronger,more prosperous country.是强调句吗原句是什么 Is lucy ----?A an English B America C American D an America Toronto is a city of_____.A.America B.CanadaToronto is a city of_____.A.America B.Canada C.EnglandD.Australia Why is America compared to a melting-pot? my english teacher is from--------. A,american B,america Why Mark Twain is a Mirror of America? Summer in America is a time to enjoy the outdoor wall street is a famous street in America. Why Mark Twain is a Mirror of America a,America,Jim,student,from,is连词成句 October 31 is a holiday in North America什么意思 Mrs.Black___from America.A,comeB,isC,areD,is coming