Brian likes jogging (慢跑). He jogs in the park every morning. He always brings five dollars with him. He always buys breakfast for

{#blank#}1{#/blank#} in the shop.
One day he jogged into the park and another jogger knocked into him. A few minutes{#blank#}2{#/blank#}, he found his five-dollar bill wasn't in his pocket. “The man might be a thief!” He thought, “It must be him that took my money. I must fight against the crime (犯罪)! ”
The man was only 30 meters ahead. Brian ran after him, hit him on the shoulder, and said “Give me the money!”The man was {#blank#}3{#/blank#} , but at last he gave Brian a five-dollar bill. Then he ran away as fast as he could!
Brian felt really good and ran to the shop. He had got his money back. He {#blank#}4{#/blank#} himself a cup of coffee and two hamburgers.
Then he ran back home. His wife was waiting for him. She was shaking her head. “Oh, dear!”she said, "You've had

a {#blank#}5{#/blank#}  morning, haven't you ?”
   “No! Why? I've had a very good morning!”he said. “Really?" she said. “But you left your five-dollar bill on the table!”

    We do not know when people invented wheels. But once it was invented, knowledge of the wheel{#blank#}1{#/blank#}quickly across the world. It is easy to move things with wheels. The first example of wheels dated from about 3. 500 to 3. 000 BC. The cart or wagon was the first vehicle which had wheels. At that time, they were pulled by humans or animals. Today, there are still carts drawn by animals in many countries. These carts are mainly used to move things or{#blank#}2{#/blank#}people. Around 2, 000 BC, the chariot(双轮敝篷马车)appeared. It moved even faster than the cart, so it soon became an important{#blank#}3{#/blank#}in the war and later was introduced to other ancient countries, such as Egypt, Persia, Greece and Rome.

    The invention of wheels is very important to the{#blank#}4{#/blank#}of new transportations. Without wheels, the invention of bicycles, motorcycles, cars, trains, and planes may not be possible.