①表演得像猫一样。 {#blank#}1{#/blank#}   A. I have rabbit.

②我有一只兔子。 {#blank#}2{#/blank#}   B. Walk like an elephant.

③像大象一样走路。 {#blank#}3{#/blank#}   C. Act like a cat.

⒈This is my family. {#blank#}1{#/blank#}

⒉Great!            {#blank#}2{#/blank#}

⒊How nice!        {#blank#}3{#/blank#}­__

4.It's a cap.      {#blank#}4{#/blank#}

Dear friends，

    Air is important．It keeps{#blank#}1{#/blank#}，{#blank#}2{#/blank#}and{#blank#}3{#/blank#}alive．

    The air in our city was clean，but now it is{#blank#}4{#/blank#}．We should{#blank#}5{#/blank#}.We should{#blank#}6{#/blank#} .

Let's keep the air clean!

Ben and Kitty