Today we can see that many people are cutting down the trees in the forests. A lot of rich land has become deserts. If we {#blank#}1{#/blank#}（read）newspapers, we'll learn that the forests on the earth are getting smaller and smaller all the time. We are {#blank#}2{#/blank#} (cut) down large numbers of trees because we need wood and farmland. In many {#blank#}3{#/blank#} (place), the new farmland will soon look like the old deserts. Some scientists say that there will not be any great forests in 20 or 30 years.

    It's our duty {#blank#}4{#/blank#} (protect) the forests well. Everyone should try his best to make a contribution to {#blank#}5{#/blank#} (take) care of the forests.