By four months, infants should enjoy playing peek-a-boo and by nine months should imitate facial expressions and sounds.
So the correct response is: four; nine.
By _____ months, infants should enjoy playing peek-a-boo and by _____ months should imitate facial expressions and sounds.
(1 point)
Responses
four; five
four; five
seven; ten
seven; ten
eight; nine
eight; nine
twelve; thirteen
twelve; thirteen
1 answer