In Dialects^x, Resume^x

As you shall please... All I have made thus far can be summarized as: 1. there can be no clear distinction between a 'language' and a 'dialect', save approaches based on the vague idea of 'spectrum' and 'linguistic region'. 2. there can not be an absolute definition of a 'standard...

Sir, When I read English grammar on net. I always presume that all rules are according to BrE. But when it comes to use in some excercise, I personally feel odd. e.g 1.---- on exam. 2.----- in exam. somebody says (1) is correct. Somebody says (2) is correct. How come I know that...