Question

"a writer must be careful when using the pronouns this, that, these, and those. the writer can eliminate or reduce the vagueness of these pronouns by"

Answer 1

The writer can eliminate or reduce the vagueness of these pronouns by USING THEM TO MODIFY A NOUN AND BY CLARIFYING WHAT IS BEING REFERRED TO FOR THE READERS. These will allow the readers to know the exact things that the pronouns are referring to.