根据短文内容和所给中文提示，在空白处写出单词的正确形式，每空限填一词。 Jack is a good boy and he is very {#blank#}1{#/blank#}（感兴趣的）in sports. {#blank#}2{#/blank#}（然而）, he was not at school today. He was in hospital. A serious（严重的）{#blank#}3{#/blank#}（事故）happened to him today.
His home is {#blank#}4{#/blank#}（近的）to school so he rides his bike to school every morning. It was {#blank#}5{#/blank#}（拥挤的）on the road this morning. While he was turning right at a crossing, a car ran there and hit him. He {#blank#}6{#/blank#}（跌倒）off the bike and lay on the {#blank#}7{#/blank#}（地面）. The driver got out of the car and sent Jack to the hospital quickly. The doctor said that Jack's head was{#blank#}8{#/blank#}（受伤） seriously so he should stay in hospital for some days.
In our everyday life, we should {#blank#}9{#/blank#}（保护）ourselves from {#blank#}10{#/blank#}（危险）while going to school. We must follow the traffic rules. When we want to turn around, we must look around first. At the same time, we'd better wear helmets（头盔）.
