My 6 month old milestones

I have turned 6 months old so here is a list of what I can / cannot do:
Mastered Skills (most children can do)
• Turns towards sounds and voices - yes
• Imitates sounds, blows bubbles - yes
• Rolls in both directions - yes
Emerging Skills (half of children can do)
• Reaches for objects and mouths them - yes
• Sits without support - no, I can only sit momentarily by myself
• Is ready for solids - yes (baby rice cereal so far)
Advanced Skills (a few children can do)
• May lunge forward or start crawling - somewhat
• May jabber or combine syllables - I am not sure about this one
• May drag object towards himself - yes