①Happy birthday! {#blank#}1{#/blank#}   A. Two books.

②How old are you? {#blank#}2{#/blank#}   B. Thank you.

③How many books? {#blank#}3{#/blank#}   C. You're welcome.

④Let's eat the cake. {#blank#}4{#/blank#}   D. I'm 10.

⑤Thank you. {#blank#}5{#/blank#}   E. Great.

-        

-- We are tired and hungry.

（{#blank#}1{#/blank#}）A. No, it isn't. It's a dog.

（{#blank#}2{#/blank#}）B. Guess.

（{#blank#}3{#/blank#}）C. What's this?

（{#blank#}4{#/blank#}）D. Haha! It's a funny dog.

（{#blank#}5{#/blank#}）E. Is it a panda?