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    It is spring. The d{#blank#}1{#/blank#}begin to grow longer and the weather gets warmer. Birds fly back from the South. They're going to m{#blank#}2{#/blank#}their nests in the trees. Some animals wake up from their long winter sleep and start to look for f{#blank#}3{#/blank#}. Trees grow new leaves. Some plants begin to flower. New birds and animals are born. Farmers are busy working in the fields from m{#blank#}4{#/blank#}to night. Spring is the best season of the year. It is a{#blank#}5{#/blank#}the busiest season of the year.