① {#blank#}1{#/blank#}   A. go     B. take     C. sang

② {#blank#}2{#/blank#}   A. game     B. nice     C. poster

③ {#blank#}3{#/blank#}  A. poster     B. tell     C. sing

    We can see different signs in public places．Some{#blank#}1{#/blank#}tell us what we should do．This sign is{#blank#}2{#/blank#}．There is a picture of an animal in the{#blank#}3{#/blank#}．It tells us to look out for animals．Some signs tell us what we should not do．We should not smoke in the forest．It{#blank#}4{#/blank#}start a fire．That's why we see a "{#blank#}5{#/blank#}" sign in the forest．Some signs tell us where to go．The bus and underground signs tell us where to find the stations．