Dear Mr. Wang,
       Someone comes to the office to see you in the morning, but you and your wife are out. He comes here at 10 a.m. Because he is very busy, he goes away half an hour later. He tells me that he is your classmate at college(大学). Now he teaches Chinese in a high school(高中) in this city and he lives near the No. 6 Middle School. He is a very tall man with short hair. He wears a pair of glasses. He tells me his telephone number is  33426685. He is often at home at 7:00 p.m. So you can call him in the evening.

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    It was a very hot day. Two farmers, Jack and Jim, sat in the shade of a large neem tree. Both of them were eating chapatis(印度薄饼) for lunch. Jack had three pieces of the flat, round Indian bread while Jim had five. As they were about to begin their meal, a young nobleman(贵族) went by.

    "Good day! Good sirs!" said the nobleman. The nobleman looked very hungry and tired, so Jack and Jim invited the man to eat with them.

    "How can we divide these eight chapatis into three equal parts among the three of us?" asked Jim.

    "Let us stack(叠起来) them up and cut the chapatis into three equal parts," suggested Jack.

    After cutting the chapatis, they shared the parts equally, and no one ate more or less than anyone else.

    After they finished the meal, the nobleman insisted on(坚持) paying for his meal. He put six coins into Jack's hand and ten coins into Jim's hand. And the two men were both very glad!

    When he was nine years old, American boy Milo Cress had a question: How many plastic straws(吸管) do Americans use every day?

    He quickly learned there wasn't a simple answer. The boy tried to work it out himself. Through lots of research, Cress found out that Americans use about 500 million straws every day. In hopes of reducing plastic waste, he founded the Be Straw Free project in 2011.

    Cress started the project in his hometown – Burlington, Vermont. He asked a local restaurant to stop offering straws with every drink order. It was a simple change. However, it would save money. And by doing that, the restaurant would cut down on its straw use by 50 percent.

    For the years that followed, Cress tried to spread his project across the United States. More and more restaurants agreed to join. They stop providing the customer with a straw unless he or she asks for one. Last April, Seattle became the first American city to completely ban (禁止) plastic straws.

    Plastic pollution has been one of the most serious problems today. According to scientists, more than eight million tons of plastic end up in the ocean each year. Plastic straws are especially terrible. They make it easy for people to get comfortable with single-use plastics.

    After his project became popular, Cress took his findings on the road. He has since spoken to tens of thousands of students around the world. He wants to encourage more people to say no to plastic straws.

    "Focusing(聚焦) on straws is one simple step we all could take," Cress says. "And it makes me feel that I, as a kid, could make a difference, too."

    Our new neighbours are the Browns. They have two children, a boy and a girl. The boy is Jack and the girl is Alice. Jack is 11, and he is one year older than me. Alice and my sister Nancy are 8 years old.

    At weekends, Nancy and I like to go to play with Alice and Jack. Both Jack and I really enjoy playing computer games. Sometimes the girls join us, but the games they enjoy are different from the ones we like.

    There is a big park near our houses. Sometimes, when the weather is fine, the four of us go for bike rides there. We often stop at the huge playground to have some fun. Jack and I like to play basketball, but the girls prefer to sing and dance.

    Our families often have dinner together. On some days, they come over to our house and on other days, we go over to theirs. Mr Brown and his wife cook really well.

    Nancy and I are very glad to have the Browns next door. It's great to have friends living so near.

    Joseph has written a letter to his cousins, James and Susan. Here is the letter.

    Dear James and Susan,

    I am writing to you again because I am at home in bed. I have a cold recently and I am unable to go to school. I've got a fever and a bad headache as well. In addition, I'm always thirsty, probably as a result of the fever. But, with a lot of effort, I'm writing a letter to you.

    The weather here in Toronto is horrible. I am sure the weather is much better in Hong Kong. Do you agree? The snow came a bit early this year and it was freezing cold. It's surprising to see kids playing in the snow happily and building "castles" and snowmen this morning. A few of them made snowballs by pressing snow together and threw them at each other.

    I am going to have my examination soon, I'm worried about it because I'm too sick to get out of bed to hold my text-books. What's more, I haven't attended school for nearly one week. I have to work hard to catch up with my classmates.

    I have got a new mate recently. That is Bobby, our cat. Uncle Tom gave him to me as my birthday present. He is rather disobedient and he runs here and there from time to time. However, I'm glad to have him as my friend at the moment.

    Please write to me if you have time.

Yours,

Joseph