My brother is very busy. He often{#blank#}1{#/blank#}     day and night.

—What do you think of this math problem?

—It's as{#blank#}2{#/blank#}  as anything.

"May I come in?" he asked{#blank#}3{#/blank#}  .

Mrs. Black doesn't allow her son {#blank#}4{#/blank#} computer games on school nights.

We should be friendly to {#blank#}5{#/blank#} . They're also members of our world.

    Have you read the book called Uncle Tom's Cabin? It's said that it is one of the greatest books in America．The book {#blank#}1{#/blank#}an unpleasant social problem—slavery(奴隶制)in the Southern States of America. It first came out in 1852．Over 300,000{#blank#}2{#/blank#}were sold out in a year．People had {#blank#}3{#/blank#}ideas about the book．In the North, more and more people began to{#blank#}4{#/blank#}theft support(支持)for the freedom(自由)for the black people after they read the book, but in the South, many people were very{#blank#}5{#/blank#}at the people in the North. In 1861, the war between the two parts of the country{#blank#}6{#/blank#}. Uncle Tom's Cabin surely played a part in the {#blank#}7{#/blank#}. In 1862, Abraham Lincoln met Harriet Beecher Stowe, the book's {#blank#}8{#/blank#}. As he took her hand. Lincoln said, "So this is the little lady who started this big war."

    Many years ago, there was a family named Franklin. They lived in Boston. There were five girls and six boys in the family. On a January day in 1706 another baby was born. The boy's mother and her husband gave the boy a {#blank#}1{#/blank#} —Benjamin. Benjamin was the {#blank#}2{#/blank#} of all the children. He could read when he was five and he could write when he was seven. The next year his parents sent him to {#blank#}3{#/blank#}. At school Benjamin was good at reading and writing, but not good at math. He read all of his father's {#blank#}4{#/blank#}. And when he had money, he {#blank#}5{#/blank#} went to buy books. He liked books. They told him {#blank#}6{#/blank#} to do something. The boy liked to use his head and tried to {#blank#}7{#/blank#} ways to help people enjoy life more. For example, he tried to know if there was some way to {#blank#}8{#/blank#} farther, maybe with something on his hands or feet. Slowly a picture of swimming shoes, or paddles, grew in his {#blank#}9{#/blank#}. The paddles must be neither too{#blank#}10{#/blank#} nor too small. And they must be neither too heavy nor too light. At last he invented the paddle for swimming.