Which of the following skills is most important in learning how to write a research paper

Knowing how to plan before you write is most important in learning how to write a research paper.

Explanati  Knowing how to plan before you write is most important in learning how to write a research paper.on:

you are going to have to give me more info

explanation:

answer: do

the 'italicized phrase' is a noun clause that is used as a direct object.