The correct answer is A.
An Adverb Clause, also known as Adverbial Clause has the function of an adverb, and, in this case, it answers the question how, and talks about a possible situation and consequences: If you don't buy the tickets in advance, <em>you may not be able to get them</em>. The second sentence is a possible situation in the case of a delay to buy the tickets.
The correct option is C. It shows a positive effect of the solution.
The topic of the presentation is the impact of excessive homework on highschool. The word "excessive" implies that the amount of homework given at highschool has a negative effect on students. The solution would be to have "less homework" and she finds out a positive effect of such a solution. If students are given less homework, they will have time to do other enriching activities and spend time bonding with their loved ones.
I am not 100% sure, although I feel the best answer to this question is A. The poet is saying that people don't live long; life is short.
This is because he talks about someone remaining, or living on. You can infer from this that the poet believes that life feels short and brief. The poet doesn't mention beauty in this line, nor foes he express changes in his generation. However, D is still a possible answer, but he doesn't focus as much on himself and his unwant to grow old. I hope that this can help you out! :D
