Pay undivided attention to every bit of information you listen, as the distraction of even a single moment will cost you high.
While listening the audio lecture, make your notes so that you can add more content in summarize spoken text to get more scores and choose the most appropriate answer.
Try to listen to the music of different accents so that you could be able to understand every accent used in the listening module. If you have better understanding of all the accents, it would be easy for you to achieve the maximum score.