The sentence that contains a faulty parallel structure; I suggest that you take additional courses and working on a theoretical project. The correct answer is B.
Answer: Change there to their.
The answer is before because after a quotation you put the period befkre adding the quotation marks
hope it helps
Answer:
He always helps me find the best Solution
Explanation:
Solution is solving a problem or dealing with a difficult situation. So here it says he helps me to find the BEST Solution