can someone help me with my last question?

I don't know the answer, nor could I find it.

What does your book say?

http://books.google.com/books?id=B2h3iaDkUo8C&pg=PA99&lpg=PA99&dq=infants+teaching+rehearsal+strategies&source=web&ots=qlzC9fQJiQ&sig=xmZklI_L9k1AKoZRV93CstMlzvE

this page doesn't give to understand which is the correct answer. can someone help me with other web pages?

READ the boxed example of Big Bird play. What age does that start?

http://www.jiskha.com/display.cgi?id=1233856187

Of course! I'm here to help. What is your last question?