What is the role of tone in poetry?
a. to provide rhythm.
b. to create images.
c. to enhance a style.
d. to express an attitude.

The role of the tone is the poetry is D. to express an attitude.
By simply changing your tone in the poetry, you can give your audience a hint what attitude you have. The tone plays a very important part of the poetry because without the presence of tone, you will not be able to express your character, it would be hard for you to tell the audience that you are a sarcastic person without using your tone as a hint.

Acquiring english is a way of learning where you learn english by birth, this includes listening to your parents, brothers and sisters and on the whole learning it from the environment around you while mastering standard english need qualified institutes and teachers who make certain programs and syllabus to you master the standard english. this also can include a long session of academic studies before you can master the standard english.standard english is necessary for literary works, official usage and writing materials for standardized publications or when someone needs to speak publicly. in most cases the employers of a company also demand and like the use of standard english from their employees.