Trace, draw and say the letters.
--S____ down (请坐), please, Lingling.
--Goodbye, bird.
I'm a g______. My name is Mary.
--G_______, Daming.
-- Bye.
Hi! My name's Panpan. I'm a p_____.
--How many blue balls?
--_______.
This is my d______.
--What's your name?
--______ Lingling.
Sit _____, Xiaogang.