The U.S.A.is one of the Englesh-speaking countries in the wo

The U.S.A.is one of the Englesh-speaking countries in the world.In the U.S.A.,people speak English.People in the U.K,Australia,Canada and New Zealand also speak English,But American English is different from the English in the U.K.,or in Australia,for example,to say"去看电影”,people in the U.S.A.say"to go to the movie theater",while people in the U.K.say,"to go to the cinema".to say"裤子",people in the U.S.A.use pants.while people in the U.K.say"triusers".American people say"sure"while people in the U.K.say"of course
根据短文内容,回答下列问题
1.What are the English-speaking countries?
2.What language do the people in New Zealand speak?
3.To say"去看电影",what do the people in the U.K.say?
4.To say"裤子",what do the people in the U.S.A say?
5.When an American boy meets a boy from the U.K ,di they understand each other?
请各位大虾们帮我,