Continue using long tones in your warmup.
Remember to always play sitting on the edge on your chair with your feet flat on the ground.
Make sure to keep your mouthpiece anchored on your bottom lip when you play.
Practice breathing in slowly (over at least 2 beats, low and wide air) and then starting a middle range note
Play your choir music, work on the “Our life is as a rose” song. Try to play it by ear, see what you can figure out by trial and error.
Start work on the C chromatic scale.