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Yup.
Buoyancy and trim. Ascents with precise stops. Pick a depth and hover, nearly motionless, for 30 seconds, ascend directly to a depth 10' up (or down) and repeat. Do this with your lask off. Do this while sharing air with your buddy.
Practice kicks, too, but that can be last.
Finally, decide why you are taking the class. Are you taking it to get the card, or are you at the point where you are learning for the sake of learning... and so you can stay alive while doing dives where this level of skill is needed? Passing is not important (first go-around, at least). Learning the skills is important. Learning what to practice, what your weaknesses are, and the correct way to practice, is what you should expect. If you have to come back for a re-test to actually pass, that's a good thing: That means you did not fail, but you have time to put your new learning into practice, and get things dialed in properly before progressing to the point where you can really get yourself into trouble.
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