英语语法问题2

问题描述:

英语语法问题2
应该如何改正这几句话啊?
1.what are they countries from
2.what about the study in international class
3.what kind of language about teacher say
4.what different country in international class

1.What countries are they from?2.What do they study in the international class?3.What language does the teacher speak?4.What countries are in the international class?