It depends on how 'efficiently a learner your DD is.
Some lucky souls only need to meet a concept once to understand & to be able to apply it. Others, most, need some level of repetition, not least to push into long term memory.
Is she using CGP revision books or similar? She can test herself to gauge when to move on, as there is a real risk of revision fatigue.
Our school likens it to a marathon, where you need to peak May/June, NOT Feb/March. So, if limited teaching going on, I would get nagging questions, slight question marks chased down, French vocab & grammar nailed. Don't expect perfection now, it's building! And if mainly offline school, keep a routine going, with a couple of 30 minute sessions revision every day; lots more later in holidays.
Only my view though. DD has made flashcards etc throughout, so ok at the moment to keep pace.