Our desks and chairs {#blank#}1{#/blank#}(make) of wood. The paper of books and newspapers {#blank#}2{#/blank#}(make) from wood, too. Wood is important in our daily life.

    Where does wood come from? It {#blank#}3{#/blank#}(take) from trees which grow in the mountains. Do you know how it {#blank#}4{#/blank#}(carry) to us from the mountains?

    First of all, trees {#blank#}5{#/blank#}(cut) down when they {#blank#}6{#/blank#}(grow) big enough. Then their branches {#blank#}7{#/blank#}(cut) off, and logs(原木) {#blank#}8{#/blank#}(make). These heavy logs {#blank#}9{#/blank#}(put) together in different ways and {#blank#}10{#/blank#}(take) down to the foot of the mountains.