Number 3 and 4 don't make sense.
Number 2 includes the word other, making it flow smoother than the rest when you say it aloud.
An infinitive phrase is a group of words introduced by "an infinitive", This group of words may function as a noun, adjective or adverb. In the following example the infinitive phrase is working as an adjective, since it modifies the noun "topic".
<em>The best </em><u><em>topic</em></u><em> </em><u><em>to write about</em></u><em> </em><em>is one you know well.</em>
<em> noun infinitive phrase</em>
Freewriting is associated with a variety of genre that can be explored by a writer.it can be an exercise that can be used to expand the imagination of a person. In this case, the answer to this problem must be c. write whatever thoughts come to mind. Rewriting an article is bound to a limited array of thoughts.
