Which of the following two sentences is correct?
She has passed the exam, therefore she can work in the company directly.
She has passed the exam and, therefore, she can work in the company directly.
Learn English – “She has passed the exam, therefore she can work in the company directly.”
grammaticality
Best Answer
Both are correct. You could replace the comma after "exam" with a semicolon in the first sentence, or add a comma between "exam" and "and" in the second, but both are stylistic preferences more than errors (and in the latter case, you'd end up with rather a lot of commas in a short distance).