Yes, it's used correctly because you are showing two opposite situations and these have to be connected by 'but'The first part is affirmative;the second is negative.
I'm Brazilian but you aren't (Contrast)
I'm Brazilian and so are you. (Similar)
Answer:
That would be prewriting.
Explanation:
drafting would be after he already got the research and started writing a draft, revising would be making changes to it after his draft was finished, and publishing would be when he published it after it was all done.
Answer:
in general d sounds most convincing, even tough I often went with a. but the risk of failure is high and if the amount of material is just too much for one day it will just not work.
b and c just don't sound like good strategies at all, but the choice depends on the material and the time and resources you have.
Answer: C.
Explanation: If you sing it out you will hear yourself saying ABCB.
