There is a post office in our n______. I often go there to buy stamps, newspapers, postcards and so on. I sometimes go there to post letters or parcels to some of my f______. There are many young clerks working there. They are k______ to people and o______ us a lot of help. The post office is both important and c______ to us all.

—Can I help you?

—Yes. I want to send this parcel ______ Taiwan.

—Let me ______ it. By the way, would you like to ______ it by ordinary mail?

—No, I want to send it ______ air ______. It's quicker.

—All right. The ______ is five yuan and six jiao.

—Here is the ______.

—Thanks.

　　My son was eighteen years old. It was his first day at work i______ a big store. The manager told him to be f______ to the  customers at all time.

　　I was shopping in the same store, so I gave my son a hug（拥抱）and wished him the best. When he c______ home, he told me that as soon as I left the store, the manager ran o______ and said, "You should be friendly to the customers, b______ you don't need to hug  them."

　　　　Nat lived in a small town in England. He a______ stayed in England for his holidays, but then last year he thought," I've never 　　been a______ from the country. All my friends go to Spain （西班牙）.They like it very much. So this year I am going to go there too."

　　　　At f______ he went to Madrid and stayed in a small hotel for a few days. On the first morning he went out for a walk. In England 　　people drive o______ the left, but in Spain they drive on the right.Nat forgot about this, and while he was crossing a busy street, a 　　bicycle knocked him down.

　　　　Nat lay on the ground for a few s______ and then he sat up and said, " Where am I?"

　　　　An old man was selling maps at the side of the street. He at once came to Nat and said, " Maps of the city, Sir?"

　　　　What colour i______ easy to see? What colour can you see best f______ far away? Many boys and girls thought red can be 　　seen e______. I______ fact, yellow can be seen easier from far away. Wear a yellow coat or cap on a rainy day, for car drivers 　　can see m______ quickly. Be safe, wear yellow coats.

　　Air is all around us. It is around us a______ we walk and play.From the time we are born air is around us on every side. When we sit down, it is around us. When we go to bed, air is also around us. We live in air.

　　All l______ things need air. We can live without food or water for a few days, but we can't live for more than a few minutes w______ air. We take in air. When we are working or running we need m______ air. When we are asleep, we need less air.

　　We live in air, but we can't see it. We can only feel it. We can feel it when it is moving. Moving air is called wind. How can we make air moving?

　　Here is one way. Hold an open book in front of your face. Close it quickly. What can you feel? W______ you feel is air.

　　Dick is a milkman in New York. He's near-sighted. He has a red car. The car is n______ expensive nor cheap. Many people have cars l______ that. You can see them everywhere. Dick likes his car. He thinks it's wonderful. Dick likes to go for a ride（兜风）after supper.He often goes with his big white dog called Bobby.

　　Last Saturday evening Dick went to see a circus（马戏）. He went in his car w______ Bobby. Hundreds of people went to the circus, and Dick was surprised to see so many cars there.

　　" Where can I park my car ?" He wondered.

　　Bobby was clever. It knew what Dick was looking for. It jumped out of the car and ran about. It found a place b______ two red cars." Good !" Dick was happy. He parked his car into the space and went with Bobby to see the show.

　　When the show was o_______, Dick went out and got into the car. Bobby jumped into the next car. Dick got out and pulled the dog back. But soon it jumped into the next car again ! Do you know why?