The phrase during separate semesters helps reveal the meaning of the word concurrent which means at the same time.
It seems that you have missed the given choices for this question, but anyway, here is the answer. In Macbeth, the message the Lennox wants to sent to Macduff is that He and Malcolm are in grave danger. <span>When Macbeth arranges the murder of his wife and children, </span>Macduff<span> swears personal revenge. Hope this answer helps.</span>
B.She is afraid of jim hall and wants White Fang to protect her family.
A. To do whatever he wants them to do.
A sentence fragment is a sentence that is incomplete, one that is separated from the main claus. In this case "To" is a preposition, which means that there should be more to the sentence. You can tell because you can't fully understand the idea behind the sentence. Therefore A, is the fragment.