After you have reviewed your essay and finished all the necessary correcting, try using online grammar editors which can check grammar, spelling and punctuation mistakes that you may have missed. If you used sources for your essay, try using a plagiarism check. Once you have completed those steps, ask someone else to review your work and give suggestions - this is probably one of the most important steps.
Hope this helped.
I honestly think that the answer is B
The first one is D and the second one maybe B
I hope I helped and I wish you the best of luck on your test :)
Answer:
1. The continents that are now separated by the Atlantic Ocean once formed a single land mass.
Explanation: