Technology plays an important part in our daily life now. Yet not many of us will realize how much we rely on it until we{#blank#}1{#/blank#}our lives to those in the past. There was no{#blank#}2{#/blank#}technology at that time, yet the items that people had were quite enough for them to live their lives.

Without necessary cooking tools, the people could still{#blank#}3{#/blank#}to make their food as nice as our food today. Animal parts were thrown away if they were not{#blank#}4{#/blank#}. Others were cooked over the fire. However, everything they used was taken from the forests around them.

Pollution is becoming more and more serious today. Something{#blank#}1{#/blank#}to protect the earth. Trees{#blank#}2{#/blank#}. The rubbish{#blank#}3{#/blank#}into the bin. New laws{#blank#}4{#/blank#}to stop people from polluting the environment.

    Many students aren't getting enough sleep at night, which means they end up feeling sleepy during class. {#blank#}1{#/blank#}during the day may be a solution.

    According to Forbes, a mid-afternoon nap can {#blank#}2{#/blank#}, increase your energy and help you study even better. But {#blank#}3{#/blank#}should a nap last? The proper time should be between 10 and 30 minutes, Peter Venn, a sleep expert said.

    Sleeping for {#blank#}4{#/blank#}, such as five minutes or so, is not helpful. That's just not enough time to rest. But if you sleep for too long, you may {#blank#}5{#/blank#}feeling uncomfortable.