We've moved on to "What's that?" "Who's that?" and "Where is __?" questions. Six months of speech therapy and DI have really paid off!
Plus he's a real comedian and very sensitive. Lately his Eeyore toy gets a lot of his empathy ("Poor Eeyore...") and he gets genuinely upset when his tail comes off (it's velcro and supposed to!). We've had to come into his room at night because he is crying when he pulls the tail off. Exasperating but adorable.