A：Hey, Dad! Are you outside?

B：Yes, I am．

A：What's the{#blank#}1{#/blank#}like outside?

B：It's{#blank#}2{#/blank#}．

A：What are you doing?

B：I'm playing soccer with your dog．

A：That's not{#blank#}3{#/blank#}．

B：Sure! Well, it's time for you to call your grandma．

A：Yes．I'm calling Grandma{#blank#}4{#/blank#} ． But Grandma also wants to speak to you．

B：I see．I'm{#blank#}5{#/blank#}right now．

Transportation

    Transportation means the movement of people and goods from one place to another. In history, the economy and power of a country are closely related to the efficient methods of transportation. By transportation we can get access to natural resources and promote trade. It will make a country richer and more{#blank#}1{#/blank#}. The movement of soldiers, equipment and supplies can also be realized by transportation. It is very important to a country{#blank#}2{#/blank#}when the war broke out.

    Transportation systems and the routes they use have greatly influenced both how and where people live. Good transportation can help people lead a comfortable life in remote areas{#blank#}3{#/blank#}factories.

    Transportation is very important to a nation's{#blank#}4{#/blank#}. Countries are trying to reduce the costs of transporting natural resources to production sites and moving finished goods to markets. It is one of the key factors in economic competition. The transportation industry is the largest industry in the world.