I work in a cleaning company. Usually people call us, and we {#blank#}1{#/blank#} house cleaning service.

    One day, I got a call from a man named David." I want to help an old man. He just had surgery (手术) and is still {#blank#}2{#/blank#}.Can I pay for it without letting him know?" he asked. David was a very kind man. He called us because he was worried about his {#blank#}3{#/blank#}, Mr. Smith. Mr. Smith just came back from the hospital. His house was in a {#blank#}4{#/blank#}, but he couldn't do any housework. Even {#blank#}5{#/blank#} the floor was difficult for him. He didn't tell his children because he didn't want them to {#blank#}6{#/blank#} their time taking care of him. David wanted to help Mr. Smith without bringing him any {#blank#}7{#/blank#}.And then we asked David what would happen if Mr. Smith would refuse to let us come into his house." I have to at least try, and {#blank#}8{#/blank#}，I really want to help him，" he said.

    Luckily, Mr. Smith let us in and our workers did a good job.{#blank#}9{#/blank#} we promised David not to tell his name, we didn't tell too much to Mr. Smith. Mr. Smith was touched by the gift from someone he didn't know. Sometimes we don't expect{#blank#}10{#/blank#}on others, because we are afraid of letting them get into trouble. However, there is always someone who cares for you and tries his best to help you.

    At first the Internet was only used by the government, but in the early 1970s, universities, hospitals and banks were allowed to use it too. However, computers were still very{#blank#}1{#/blank#}and the Internet was difficult to use. By the start of the 1990s, computers had become cheaper and easier to use, Scientists had also{#blank#}2{#/blank#}software. This made "surfing" the Internet more convenient.

    Today it is easy to get online and it is said that{#blank#}3{#/blank#}people use the Internet every day. Sending e-mail is more and more popular among{#blank#}4{#/blank#}.

    The Internet has now become one of the most important parts of people's life.