One day a dentist (牙医) was starting his morning work. {#blank#}1{#/blank#} (sudden) a man ran in. His face was red, {#blank#}2{#/blank#} he could only say “Quick! Quick!” The dentist thought he must be very {#blank#}3{#/blank#} (illness). His assistant (助手) helped to make the poor man sit in the chair. The dentist {#blank#}4{#/blank#} (give) the man some medicine {#blank#}5{#/blank#} (make) the man sleep. Then, he looked into the {#blank#}6{#/blank#} (man) mouth and pulled out all the bad {#blank#}7{#/blank#} (tooth). As soon {#blank#}8{#/blank#} the man woke up，he said in a low voice, “Quick, doctor, quick!”

    “It's all right now”, {#blank#}9{#/blank#} dentist told him, “It is over.”

    “You don't understand.” said the man. “I came to tell you that {#blank#}10{#/blank#} house is on fire."

—No, he lost it because he was{#blank#}1{#/blank#}(care) .

    American schools {#blank#}1{#/blank#} (begin) in September after a long summer vacation, There are two terms {#blank#}2{#/blank#} a school year: the first I term is {#blank#}3{#/blank#} September to January, and the {#blank#}4{#/blank#} (two) is from February to June. Most American {#blank#}5{#/blank#} (child) go to public schools(公立学校). High school students {#blank#}6{#/blank#} (take) only four or five subjects at a time. They usually go to the same {#blank#}7{#/blank#} (class) every day, and they have {#blank#}8{#/blank#} assignment(课外作业) for every class. {#blank#}9{#/blank#} class they have many activities. After high school, many {#blank#}10{#/blank#} (student) go to college(上大学).