Our environment is getting{#blank#}1{#/blank#} than before. Now more and more people realize that we should do something to help the Earth. Here are the things we can do to help the Earth: We can recycle glass, metal and paper. We shouldn't throw{#blank#}2{#/blank#} in the garbage can（垃圾箱）! We can{#blank#}3{#/blank#} instead of driving cars! We should try to{#blank#}4{#/blank#}  short showers and turn off all the{#blank#}5{#/blank#} and the TV when we leave the room. All of these things will help the Earth.

    It is a rainy (阴雨的) day. A train stops at a small {#blank#}1{#/blank#}. A man is on the train and he feels hungry (饥饿的). He looks out of the window (窗) and sees a shop. A woman is {#blank#}2{#/blank#} cakes in the shop and the cakes look {#blank#}3{#/blank#}. The man wants to {#blank#}4{#/blank#} a cake, but the shop is a little (有点) {#blank#}5{#/blank#} from the train. The man doesn't want to walk in the rain. Then he sees a boy. The boy is about five {#blank#}6{#/blank#} old. He's playing near the window. “Come here, boy!” says the man, “Do you know how {#blank#}7{#/blank#} the cake is?” “One dollar for one.” says the boy. The man gives the boy two dollars and asks him to buy {#blank#}8{#/blank#} cakes. “One is for you and the {#blank#}9{#/blank#} is for me,” he says to the boy.

    After some time, the boy comes back. He's eating a cake. He {#blank#}10{#/blank#} the man one dollar. “Sorry, there is only one cake left (剩余). I eat the cake and here is one dollar back,” says the boy.