What's this?It's letter P.what___is it?It's green.white.what's this letter?It's sletter N.It's red.P-E-N.is it''____''?Yes,it is.I have__blue pen .it's____to
问题描述：
What's this?It's letter P.what___is it?It's green.white.what's this letter?It's sletter N.
It's red.P-E-N.is it''____''?Yes,it is.I have__blue pen .
it's____to
答
What's this?
It's a letter P.
What colour is it?
答
blue a green
答
color
pen
a
pen