听录音，根据所听内容填空。（听两遍）Sam lives in a {#blank#}1{#/blank#}. There is a river, a {#blank#}2{#/blank#} and a {#blank#}3{#/blank#} in it. There aren't any flowers {#blank#}4{#/blank#} the river, but there are many trees. There is a nature park {#blank#}5{#/blank#} to Sam's house. He likes it very much. He often goes there on the {#blank#}6{#/blank#}.
B . 
C . 
