A:②③④
B:①③④
C:②③
D:②④
(____)A.Look,what's that?
(____)B.OK.Let's go.
(____)C.Today is fine. Let's go to the zoo.
(____)D.It's a lion.
(____)E.Hello,boys and girls.
(____)F.Hello,Miss Liu.
(____)G.Oh,it's big.
I like to play pingpong.