Can Rock Lee open 7 gates?

Rock Lee is able to open all gates except 7th and 8th.

How many gates could rock Lee open?

Rock Lee has demonstrated the ability to open at least the first five gates. Might Guy, who taught Lee the skill, is able to open all eight.
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Eight Gates
Manga Naruto Chapter #85
Anime Naruto Episode #49
Movie Naruto: Shippūden the Movie
Game Naruto: Ultimate Ninja