Any five of the following answers are acceptable:
Work with a partner.
Talk about real-life things.
Practice viewing the speaker from various angles and distances. Know the subject at hand.
Speechread for overall content rather than individual words.
If you cannot fill in the missing pieces, ask the speaker to reword the entire sentence [rather than] single words.
If you are unable to understand, do not [automatically] interrupt … because you may be able to
comprehend the meaning once the sentence is complete.
After you have gained a level of competency, practice with background noise.